You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I give you a description of a molecule, and you need to return one molecule in SMILES that meets the description. The description: The molecule is a paf antagonist.
user
N#CC(c1cccnc1)N1CCN(C(=O)CCNC(c2ccccc2)c2ccccc2)CC1
assistant