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 both a kras inhibitor and a kras g12c inhibitor.
user
CSc1nc2c(c(N3CCNC(CC#N)C3)n1)CCN(C(=O)OC(C)(C)C)C2
assistant