[{"from": "human", "value": "Describe this molecule. [C][C][N][C][=Branch1][=C][=N][N][=C][Ring1][Branch1][C][Branch1][C][F][Branch1][C][F][F][C][N][Ring1][=N][C][=Branch1][C][=O][C][=C][C][C@@H1][Branch1][Branch2][C@H1][Branch1][Ring2][C][Ring1][=Branch1][N][C][=C][C][=Branch1][#Branch2][=C][Branch1][=Branch1][C][=C][Ring1][=Branch1][F][F][F]"}, {"from": "gpt", "value": "The molecule is a potent and selective DPP-4 inhibitor with a structure very similar to sitagliptin (in 2D; the 3D structure is significantly different)."}]