You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Conceptualize a molecule that meets the specified attribute(s): The molecule is a kras inhibitor.
user
CN1CCCC1COc1nc2c(c(N3CCNCC3)n1)CCCN(c1c(F)ccc3ccccc13)C2
assistant