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 tnfα inhibitor and a pde2 inhibitor.
user
Cc1nc(C)c(CCCN(C)C(=O)c2c(N(C)C=O)ncn2C)s1
assistant