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 platelet aggregation inhibitor and belongs to the paf antagonist class of molecules.
user
Cl.O=C(O)CC1CCCCN1C(=O)C1CCCN(C(=O)CCC2CCNCC2)C1
assistant