You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I need a molecule that meets the following conditions: The molecule is a anti allergic. Please represent the molecule in SMILES.
user
CSc1ccc(Cn2c(C)nc3ccc(C(=O)NS(=O)(=O)c4ccc(C)cc4)nc32)c(Cl)c1
assistant