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)c1cnn(-c2cccc(C3CCCC(n4ncc5c4C(C)(C)CC5)C3)c2)c1C1CC1
assistant