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 asthma treatment.
user
CC(C)(C)OC(=O)NCCCCC(NC(=O)c1ccc(Cl)cc1)C(=O)c1noc(Cc2ccc(OCCc3ccc(Cl)c(Cl)c3)cc2)n1
assistant