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 anti histaminic, anti allergic agent, and anti allergic.
user
Fc1ccc(Cn2c(CC3CCN(Cc4ccccc4)CC3)nc3ncnc(Cl)c32)cc1
assistant