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 immunomodulator, cancer treatment, pd1/pdl1 inhibitor and belongs to the infectious disease treatment class of molecules.
user
Cc1c(Nc2nc(C(F)F)cc3cc(CN4CCC(O)C4)cnc23)cccc1-c1cccc(-c2nc3cc(C=O)cc(C#N)c3o2)c1C
assistant