[{"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@@H1][Branch1][P][C][C][=C][C][=Branch1][#Branch2][=C][Branch1][=Branch1][C][=C][Ring1][=Branch1][F][F][F][N]"}, {"from": "gpt", "value": "The molecule is a dipeptidyl peptidase-4 (DPP-4) inhibitor which is used in combination with diet and exercise in the therapy of type 2 diabetes, either alone or in combination with other oral hypoglycemic agents. Only rare isolated reports of liver injury due to sitagliptin have been published."}]