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 is cancer treatment. Please write the SMILES representation of it.
user
CC(C)c1cc(Br)ccc1-n1c(=O)nc(N2CCN(C(=O)OC(C)(C)C)CC2C)c2cc(Cl)c(Cl)nc21
assistant