You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Generate a molecule that fulfills the requirement: The molecule is a pde inhibitor and asthma treatment, and it impacts cardiovascular disease treatment.
user
CCNc1cc2ncnc(NCc3ccc(OCCCN4CCOCC4)cc3)c2cc1[N+](=O)[O-]
assistant