You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Based on the given information, generate a molecule that meets the desired specifications: The molecule is a anti asthmatic member of the anti allergic class.
user
O=C(O)COCCN1CCN2c3ccc(Cl)cc3Cc3ccccc3C2C1
assistant