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 p2x7 antagonist.
user
COC(=O)c1cnc(N2CCN(C(=O)Nc3ccc(OC)cc3C)C(C(C)C)C2)cn1
assistant