You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Come up with a molecule based on the description: The molecule is a dppiv inhibitor.
user
CNC(=O)c1ccc2c(c1)Cc1cc(C(=O)NC)ccc1C2(CCNCC(=O)N1CCCC1C#N)c1nn[nH]n1
assistant