You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Based on the given information, generate a molecule that meets the desired specifications: The molecule is a kras g12c inhibitor and belongs to the cancer treatment class of molecules.
user
COC(=O)c1nc(SC)nc(N2CCN(C(=O)OC(C)(C)C)C(CC#N)C2)c1C=NNc1cccc2cccc(C)c12
assistant