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: It belongs to the cancer treatment class of molecules.
user
CC(O)CCNC(=O)c1cc(-c2ccc(C(F)(F)F)cc2)nn(-c2cccc(F)c2)c1=O
assistant