You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Could you please return a molecule that adheres to this description? The molecule is a kras g12c inhibitor and is cancer treatment.
user
C=CC(=O)N1CCN(c2nc(C)c(-c3ccccc3C(C)C)c3nc(-c4ccccc4F)c(Cl)cc23)CC1
assistant