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 a pde4 inhibitor. Use the above information to create a molecule.
user
COc1ccc(C2=NN(c3ccc(C(=O)N4CCN(CCCN(C)C)CC4)cc3)C(=O)C3CC=CCC23)cc1OC.Cl.Cl
assistant