be better about condor protected variables

I've got jobs that have an option named --queues, so I have the following entry in the arguments to a Node: Option("queues", queue). Condor complains when I try to submit a dag generated by this though. The following is from the dagman.out file I have

10/06/25 16:15:04 ERROR: Illegal variable name: queues; variable names cannot begin with "queue"