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 a cancer treatment.
user
NC(=O)c1cccc2c(-c3nc4c(c(NCc5ccccc5)n3)COCC4)nsc12
assistant