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 a pde2 inhibitor.
user
CCC(c1ccc(C(F)F)c(F)c1)n1nc(CO)c2c(=O)[nH]c(N(C)C)nc21
assistant