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 both a cancer treatment and a pd1/pdl1 inhibitor.
user
COc1cc(OCc2cccc(-c3ccc4c(c3)OCCO4)c2C)c(Cl)cc1CNO
assistant