You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
The molecule is a kras inhibitor. Use the above information to create a molecule.
user
C=CC(=O)N1CCN2c3nc(=O)n(-c4c(C)ccnc4C(C)C)c4c(F)c(-c5c(O)cccc5O)c(F)c(c34)NCCC2C1
assistant