You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
The molecule is both a phosphodiesterase inhibitor and a pde4 inhibitor. Use the above information to create a molecule.
user
CCNc1ccnc(-c2cnc(N3CC4(CC4)c4ccc(C(=O)N5CCOCC5)cc43)nc2)c1
assistant