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: It impacts asthma treatment.
user
COC(=O)c1cc(OCc2ccccc2)cc(C(O)CNC(C)(C)C)c1
assistant