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 dppiv inhibitor and belongs to the diabetes treatment class of molecules.
user
Cn1c(=O)c2c(c(O)c(N3CCCC(N)C3)n2Cc2ccccc2Cl)n(C)c1=O.O=C(O)C(F)(F)F
assistant