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
CNC(=O)c1ccnc2c(C(C)CNc3cc(-c4ccc(F)nc4)ncn3)ccc(F)c12
assistant