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