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 anti tumor and belongs to the anti cancer class of molecules.
user
COc1ccc(-c2cc(-c3nc4ccc(C(F)(F)F)cc4[nH]3)[nH]n2)c(F)c1
assistant