You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Based on the given information, generate a molecule that meets the desired specifications: The molecule is a member of the p2x7 modulator class and affects pain treatment.
user
CN1C(=O)N(C2CCN(C(=O)OC(C)(C)C)CC2)CC1C(=O)O
assistant