You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Suppose there is a molecule that meets the following description: The molecule is both a phosphodiesterase inhibitor and a pde4 inhibitor. Please write the SMILES representation of it.
user
NC1CCC(NC(=O)c2cc(F)cnc2Oc2cccc(-c3ccc(O)cc3CN3CCOCC3)c2)CC1.O=C(O)C(F)(F)F
assistant