You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Build a molecule that meets the requirement: The molecule is a cancer treatment.
user
O=C(NCC(O)C(F)F)c1cc(-c2cnc(C(F)(F)F)nc2)nn(-c2cccc(F)c2)c1=O
assistant