Do not

When you run code, it tells you "Do NOT:" and the code

Do NOT: program

(literally nothing don't put anything)

Don't eat program

eat

Quine

Do NOT:
Do NOT:
Do NOT:
Do NOT:
Do NOT:
Do NOT:
Do NOT:
Do NOT:
Do NOT:
Do NOT:
Do NOT:
Do NOT:
Do NOT:
Do NOT:
Do NOT:
Do NOT:
Do NOT:
Do NOT:
Do NOT:
Do NOT:
Do NOT:
Do NOT:
Do NOT:
Do NOT:
Do NOT:
Do NOT:
Do NOT:
Do NOT:
Do NOT:
Do NOT:
Do NOT:
Do NOT:
Do NOT:
Do NOT:
Do NOT:
Do NOT:
Do NOT:
Do NOT:
Do NOT:
Do NOT:
Do NOT:
Do NOT:
Do NOT:
Do NOT:
Do NOT:
Do NOT:
Do NOT:
Do NOT:
Do NOT:
Do NOT:
Do NOT:
Do NOT:
Do NOT:
Do NOT:
Do NOT:
Do NOT:
Do NOT:
Do NOT:
Do NOT:
... (this would go forever)

Implementation

An implementation in the Common Lisp programming language shall be furnished:

(defun interpret-Do-not (code)
  "Interprets the piece of Do not source CODE and returns no value."
  (declare (type string code))
  (format T "~&Do NOT: ~a" code)
  (values))