You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
The molecule is copd treatment. Use the above information to create a molecule.
user
COC(=O)C(C)(C)C(OCc1cn(Cc2cccc(CN)c2)nn1)c1ccc(C)c(CN2CC(C)Oc3ccccc3S2(=O)=O)c1
assistant