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 that fulfills the requirement: It belongs to the allergic disease treatment, tachykinin receptor antagonist, and histamine receptor antagonist classes of molecules.
user
COc1cc(C(=O)N2CCC(CCN3CCC(Nc4nc5ccccc5n4Cc4ccc(F)cc4)CC3)(c3ccc(C)c(C)c3)C2)cc(OC)c1OC
assistant