Expect Script Error

`191 login: invalid command name "
  "login:"
  {
        send "$user\r"
        expect "Password:"
        send "$password\r";
        interact

  }

  "host: Connection refused"
  {
    send_user "ERROR:EXITING!"
    exit
  }

"
    while executing
"{
  "login:"
  {
        send "$user\r"
        expect "Password:"
        send "$password\r";
        interact

  }