You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Suppose there is a molecule that meets the following description: The molecule is a kras inhibitor. Please write the SMILES representation of it.
user
CCc1cccc2cccc(N3CCc4c(nc(OCC56CCCN5CCC6)nc4N4CCN(c5ccncn5)CC4)C3)c12
assistant