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 prostaglandin inhibitor and a allergic disease treatment, belonging to the crth2 antagonist class of molecules.
user
CC(C)(C)C(C(=O)O)n1c(SCCCN(C(=O)Nc2ccccc2)c2ccccc2)nc2ccccc21
assistant