You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Build a molecule that meets the requirement: The molecule is a p2x7 antagonist that impacts pain treatment.
user
COc1cn(Cc2ccc(C(F)(F)F)c(F)c2)c(Nc2cccc(Cl)c2C)nc1=O
assistant