You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Come up with a molecule based on the description: The molecule is a protein kinase inhibitor and a cancer treatment, belonging to the anti proliferative class of molecules.
user
CCSCCNS(=O)(=O)c1ccc(Nc2nc(N)c(C(=O)c3c(F)cccc3F)s2)cc1
assistant