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 based on this description: The molecule is a kras g12c inhibitor and is cancer treatment.
user
C=CC(=O)N1CCN(c2nc(=O)n(-c3ccccc3CC(C)C)c3nc(-c4ccccc4F)c(F)cc23)C(C)C1
assistant