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
Cc1cc2ncc(C(=O)NCC(C)(C)NCC(=O)N3CCCC3C(N)=O)cn2n1
assistant