You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Based on the given information, generate a molecule that meets the desired specifications: The molecule is a kras inhibitor and belongs to the cancer treatment class of molecules.
user
CC(C)(C)OC(=O)N1CCCN(c2c(C#N)cnc3c(F)c(Cl)ncc23)CC1
assistant