You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Build a molecule that meets the requirement: The molecule is a mek inhibitor and belongs to the anti cancer class of molecules.
user
Cc1nc(NCc2cccc(C(C)(F)F)c2F)c2cn(C3(CF)CC3)c(=O)c(F)c2n1
assistant