You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Generate a molecule that fulfills the requirement: The molecule is a p2x7 antagonist.
user
Cc1c(N)cccc1N=C(NC#N)N1CCN(C(=O)c2cccc(F)c2)CC1C(C)C
assistant