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 that fulfills the requirement: The molecule is a kras g12c inhibitor.
user
CC(=CCF)C(=O)N1CCN(c2nc(OCC3CCCN3C)nc3c(F)c(-c4cccc5cccc(C)c45)ncc23)CC1
assistant