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
CNc1ncc2cc(Oc3ccc(-c4nc(Nc5cccc(C(F)(F)F)c5)n[nH]4)cc3)ccc2n1
assistant