You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I need a molecule that meets the following conditions: The molecule is a kras inhibitor and belongs to the cancer treatment class of molecules. Please represent the molecule in SMILES.
user
C#Cc1c(F)ccc2c(C34CCC(CN(c5nc(OCCN6CCC(C)(COc7cc(C(C(=O)N8CC(O)CC8C(=O)NC(C)c8ccc(-c9c(F)cccc9F)cc8)C(C)C)on7)CC6)nc6c(F)c(-c7ccc(F)c8sc(N)c(C#N)c78)c(Cl)cc56)C3)N4)c(O)cc(-c3ncc4c(NCC5CCC(CC)N5)nc(OCCN5CCC(F)(COc6cc(C(C(=O)N7CC(O)CC7C(=O)NC(C)c7ccc(-c8c(F)cc(F)cc8F)cc7)C(C)C)on6)CC5)nc4c3F)c12
assistant