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
CC1CNC(C(=O)N2CCN(c3ncnc4sc(CC(F)(F)F)cc34)CC2)C1
assistant