You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I give you a description of a molecule, and you need to return one molecule in SMILES that meets the description. The description: The molecule is cancer treatment.
user
COc1ccc(CN2C(=O)SC(=Cc3cccc(-c4ccc(C)cc4)c3)C2=O)cc1
assistant