You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I need a molecule that meets the following conditions: It belongs to both the pain treatment and p2x7 antagonist classes of molecules. Please represent the molecule in SMILES.
user
Cc1ccccc1CC(C(=O)O)c1ccc(S(C)(=O)=O)cc1
assistant