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 anti cancer.
user
O=C(Nc1ccc2c(=O)c3c(sc4c(=O)c5ccc(NC(=O)C(F)(F)F)cc5c(=O)c43)c(=O)c2c1)C(F)(F)F
assistant