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.
user
Cc1cc(Cn2c(C)nc3c(N)nc4ccccc4c32)n(-c2ccc(F)cc2)n1
assistant