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 and is pain treatment.
user
CS(=O)(=O)c1ccc(C(Cc2ccc(F)cc2)C(=O)Nc2nc3ccc(Cl)cc3o2)cc1
assistant