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 g12c inhibitor and belongs to the cancer treatment class of molecules. Please write the SMILES representation of it.
user
COC(=O)c1c(C)[nH]c(=O)c2cc(Cl)c(-c3ccccc3F)nc12
assistant