You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Give me a molecule that satisfies the conditions outlined in the description: The molecule is a pde inhibitor and belongs to the asthma treatment class of molecules, impacting cardiovascular disease treatment.
user
CCNc1cc2ncnc(NCc3ccccc3CO)c2cc1[N+](=O)[O-]
assistant