You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Give me a molecule that satisfies the conditions outlined in the description: It belongs to both the pain treatment and p2x7 antagonist classes of molecules.
user
O=C(NNc1cccc2ncccc12)C(C1CCCCC1)C1CCCCC1
assistant