headaches

Do you say me why this code not compile ?
Try to test here: https://www.programiz.com/javascript/online-compiler/

function todoSomething() {
    return
                 {
                  "values": [
                    {
                      "userEnteredValue": {
                        "stringValue": "Hello World"
                      }
                    }
                  ]
                };
}

console.log(todoSomething().values[0].userEnteredValue.stringValue);