You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Conceptualize a molecule that meets the specified attribute(s): The molecule is both a proteasome inhibitor and a cancer treatment.
user
CCOC(=O)CSc1cc(NS(=O)(=O)c2ccc([N+](=O)[O-])cc2)c2ccccc2c1O
assistant