EXPERT 2 does not suppress -EXPORTTOAUTOCAD overwrite prompt

[ODO18]

Anybody know how you would suppress this prompt in a script or just in general? EXPERT 2 works for blocks and +SAVEAS but not -EXPORTTOAUTOCAD.

Thank you

[pbejse]

(Defun c:demo nil
(command "-EXPORTTOAUTOCAD" "" "")
	   (while (< 0 (getvar 'cmdactive)) (command "_Y"))
  )