You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Suppose there is a molecule that meets the following description: It belongs to the p2x7 antagonist class of molecules. Please write the SMILES representation of it.
user
Cc1ccccc1N=C(NC#N)N1CCN(C(=O)c2cnn3cccnc23)C(c2ccccc2)C1
assistant