You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Generate a molecule based on this description: The molecule is a anti allergic agent and is both anti allergic and belongs to the anti histamine and anti histaminic classes of molecules.
user
COc1ccc(CN2CCC(c3cn(Cc4ccc(Cl)s4)c4cc(F)ccc34)CC2)cc1C(=O)O
assistant