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 a leukotriene antagonist and belongs to the anti inflammatory class of molecules, with the characteristic of being anti allergic.
user
O=C1c2ccccc2COc2ccc(OCc3ccc4cc(F)c(Cl)cc4n3)cc21
assistant