You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Conceptualize a molecule that meets the specified attribute(s): The molecule is a anti allergic.
user
Cl.O=C1C2CCCCC2C(=O)N1CCCCN1CCN(C(c2ccccc2)c2ccccc2)CC1
assistant