You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Could you please return a molecule that adheres to this description? The molecule is a pd1/pdl1 inhibitor and belongs to the cancer treatment class of molecules.
user
COc1nc(-c2cccc(-c3cccc(-c4cnc(CNCC5OCCO5)c(OC)n4)c3Cl)c2Cl)cnc1CNCC1CCC(=O)N1
assistant