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 agent and is both anti histaminic and belongs to the anti allergic and anti histamine classes of molecules.
user
c1ccc2c(c1)c(C1CCNCC1)cn2CCc1ccsc1
assistant