You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Could you please return a molecule that adheres to this description? The molecule is a pde4 inhibitor.
user
CCc1nc2c(cnn2CC)c(NC2CCOCC2)c1CNC(=O)c1cc(C)cc(C(=O)NCc2ccc(Cl)c(-c3cccc(CN4CC5CC4CN5)c3)c2)c1
assistant