You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Generate a molecule that fulfills the requirement: The molecule is a anti cancer and belongs to the anti mitotic class of molecules.
user
CC(C)(C)OC(=O)NC(Cc1ccc([N+](=O)[O-])cc1)CC(C)(C)C(=O)O
assistant