You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Based on the given information, generate a molecule that meets the desired specifications: The molecule is a dppiv inhibitor.
user
CNC(=O)c1ccc2c(c1)CCc1cc(C(=O)NC)ccc1C2(CC(C)NCC(=O)N1CCCC1C#N)c1nc(=O)on1C
assistant