You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I need a molecule that meets the following conditions: The molecule is a kras g12c inhibitor and belongs to the cancer treatment class of molecules. Please represent the molecule in SMILES.
user
COC(=O)c1cc(C(F)(F)F)c(-c2nc(C(F)(F)F)cs2)cc1NC(C)=O
assistant