You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Generate a molecule that fulfills the requirement: The molecule is a kras g12c inhibitor and is cancer treatment.
user
Cc1nnc(NC(N)c2cccc(C(F)(F)C(C)(C)O)c2F)c2cc(N3CC4CC3CO4)ncc12
assistant