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 both a asthma treatment and a ccr3 antagonist.
user
COc1ccc(-c2cnc(SCC(=O)NC(Cc3ccc(Cl)c(Cl)c3)C3CCCNC3)nc2)cc1
assistant