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 kras g12c inhibitor.
user
C=CC(=O)N1CC2(CCN(c3nc(N4CC(N5CCC(C)C5)C4)nc4c(OCC(F)(F)F)c(-c5c(C)c(F)cc6[nH]ncc56)c(C5CC5)cc34)CC2)C1
assistant