You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I give you a description of a molecule, and you need to return one molecule in SMILES that meets the description. The description: The molecule is anti allergy and anti histamine.
user
OC(CN1CCC(C(c2ccccc2)c2ccc(F)cc2)CC1)c1ccc(N2CCOCC2)cc1
assistant