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 both a cancer treatment and a proteasome inhibitor.
user
CC(C)CC(NCC(C=O)(CCc1ccccc1)OC(=O)C[N+](C)(C)C)C(=O)NC(Cc1ccccc1)C(=O)NC(CC(C)C)C(=O)C1(C)CO1
assistant