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 a pde2 inhibitor.
user
CC(C)C(c1ccc(OC(F)F)cc1)n1nc(CF)c2c(=O)[nH]c(N(C)C)nc21
assistant