You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I give you a description of a molecule, and you need to return one molecule in SMILES that meets the description. The description: The molecule is both a pde4 inhibitor and a tnfα inhibitor.
user
NC(=O)C1Sc2nc(NCCCO)nc(-c3ccc(Cl)c(Cl)c3)c2C1N
assistant