You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Generate a molecule that fulfills the requirement: The molecule is both a pde4 inhibitor and a tnfα inhibitor.
user
CSc1nc(-c2cccc(C(F)F)c2)c2c(N)c(C(N)=O)sc2n1
assistant