You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Conceptualize a molecule that meets the specified attribute(s): The molecule is a pd1/pdl1 inhibitor and is cancer treatment.
user
COc1nc(OCc2cccc(-c3cccc(COc4nc(OC)c(CN5CCC(O)C5)cc4Br)c3C)c2C)c(Br)cc1CN1CCC(O)C1
assistant