<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def transfer(self, name, cache_key=None):
 """ Transfers the file with the given name to the remote storage backend by queuing the task. :param name: file name :type name: str :param cache_key: the cache key to set after a successful task run :type cache_key: str :rtype: task result """

        if cache_key is None:
            cache_key = self.get_cache_key(name)
        return self.task.delay(name, cache_key,
                               self.local_path, self.remote_path,
                               self.local_options, self.remote_options)