You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Suppose there is a molecule that meets the following description: The molecule is a dppiv inhibitor. Please write the SMILES representation of it.
user
CCn1c(N2CCNCC2)nc2nc(Sc3nccc(C)n3)n(C)c(=O)c21
assistant