You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Suppose there is a molecule that meets the following description: The molecule is copd treatment. Please write the SMILES representation of it.
user
COC(COC(=O)C1CCCN1S(=O)(=O)c1ccc(C=O)cc1)(OC)c1ccccc1
assistant