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 copd treatment.
user
CCOC(=O)CC(CCCOC)c1ccc(C)c(CN2CC(C)Oc3ccccc3S2(O)O)c1
assistant