[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][N][Branch1][=Branch2][C][C][Ring1][Branch1][Branch1][C][F][F][C][=Branch1][C][=O][C@@H1][C][C@@H1][Branch1][Branch1][C][N][Ring1][Branch1][N][C][C][N][Branch1][Branch1][C][C][Ring1][=Branch1][C][=N][C][=C][C][=N][Ring1][=Branch1]"}, {"from": "gpt", "value": "The molecule is a potent, selective and orally bioavailable, difluoropyrrolidine-based inhibitor of dipeptidyl peptidase 4 (DPP-4), with hypoglycemic activity."}]