You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Come up with a molecule based on the description: The molecule is copd treatment.
user
CCC1CN(Cc2cc(C(c3ccc4c(nnn4C)c3C)C(C)(C)C(=O)OC)ccc2C)Cc2ccccc2O1
assistant