You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I give you a description of a molecule, and you need to return one molecule in SMILES that meets the description. The description: The molecule is a pd1/pdl1 inhibitor and belongs to the cancer treatment class of molecules.
user
COc1nc(-c2cccc(-c3cccc4c3CCC4Oc3nc(OC)c(CNC(C)(C)C(=O)O)cc3C)c2Cl)ccc1CNCC1CCC(=O)N1
assistant