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 cancer treatment.
user
COC(=O)C1CCc2cc(C3CC(C(=O)NC4CCCc5ccccc54)N(C(=O)OC(C)(C)C)C3)ccc2C1
assistant