spring boot domaでファイル自動生成

前回の質問の派生です。

回答者様の答えを参考に
DBとの接続設定とビルド実行ができました。
ので次はdomaの機能を使い
entityやdaoを自動生成しようと思います。
build.gradleに以下を記述しましたが
エラーがでてビルドできておりません。
原因がわかる方、よろしくお願いします

}

build.gradle

buildscript {
    ext {
        springBootVersion = '2.1.1.RELEASE'
    }
    repositories {
        mavenCentral()
    }
    dependencies {
        classpath("org.springframework.boot:spring-boot-gradle-plugin:${springBootVersion}")
    }
}

apply plugin: 'java'
apply plugin: 'eclipse-wtp'
apply plugin: 'org.springframework.boot'
apply plugin: 'io.spring.dependency-management'
apply plugin: 'war'

group = 'sample'
version = 'sample'
sourceCompatibility = 8

repositories {
    mavenCentral()
}

configurations {
    providedRuntime
}

dependencies {
    implementation('org.springframework.boot:spring-boot-starter-security')
    implementation('org.springframework.boot:spring-boot-starter-thymeleaf')
    implementation('org.springframework.boot:spring-boot-starter-web')
    implementation( 'org.springframework.boot:spring-boot-starter-data-jpa')
    runtimeOnly('org.postgresql:postgresql')
    providedRuntime('org.springframework.boot:spring-boot-starter-tomcat')
    testImplementation('org.springframework.boot:spring-boot-starter-test')
    testImplementation('org.springframework.security:spring-security-test')

    annotationProcessor "org.seasar.doma.boot:doma-spring-boot-starter:1.1.1"
    compile("org.seasar.doma.boot:doma-spring-boot-starter:1.1.1"){
        exclude group: "org.springframework.boot"
    }
}

configurations {
    domaGenRuntime
}

repositories {
    mavenCentral()
    maven {url 'https://oss.sonatype.org/content/repositories/snapshots/'}
}

//新しく追加した箇所
dependencies {
    domaGenRuntime 'org.seasar.doma:doma-gen:2.21.0'
    domaGenRuntime 'org.postgresql:org.postgresql.Driver'
}


//新しく追加した箇所
task gen << {
    ant.taskdef(resource: 'domagentask.properties',
        classpath: configurations.domaGenRuntime.asPath)
    ant.gen(url: 'jdbc:postgresql://postgres.aws.com:5432/sample', user:postgres '', password:postgres '') {
        entityConfig()
        daoConfig()
        sqlConfig()
    }
}
}

コンソール

* What went wrong:
Could not compile build file 'C:\pleiades\workspace\sample\build.gradle'.
> startup failed:
  build file 'C:\pleiades\workspace\sample\build.gradle': 61: expecting EOF, found 'gen' @ line 61, column 6.
     task gen << {
          ^

  1 error


* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.

* Get more help at https://help.gradle.org

CONFIGURE FAILED in 0s