You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Can you create a molecule that matches the given characteristics? The molecule is a paf antagonist and belongs to the anti allergic class of molecules, with the characteristic of being anti asthmatic.
user
O=C(NCCCCN1CCN(C(c2ccccc2)c2ccccc2)CC1)C1CSC(c2cccnc2)N1
assistant