You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Could you please return a molecule that adheres to this description? The molecule is a pain treatment and is p2x7 modulator.
user
O=C(CC12CC3CC(CC(C3)C1)C2)Nc1ncnc2c1CCN(C(=O)c1ccc(F)c(F)c1)C2
assistant