You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Come up with a molecule based on the description: The molecule is a kras inhibitor that impacts cancer treatment.
user
C=CC(=O)N1CCN(c2nc(=O)n(C)c3nc(-c4c(O)cccc4F)c(F)cc23)C(C)C1
assistant