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 based on this description: The molecule is a asthma treatment and a pde4 inhibitor, belonging to the anti inflammatory class of molecules.
user
CCOC(=O)N1CCN(CCNc2ncnc3c2sc2nc(-c4ccco4)c4c(c23)CC(C)(C)CC4)CC1
assistant