[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. 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. Saxagliptin is a relatively new medication and has yet to be implicated in causing clinically apparent liver injury."}, {"from": "gpt", "value": "[C][C@@H1][C][C@@H1][Ring1][Ring1][N][Branch1][=Branch1][C@@H1][Ring1][=Branch1][C][#N][C][=Branch1][C][=O][C@H1][Branch2][Ring1][Branch2][C][C][C@H1][C][C@@H1][Branch1][Ring2][C][Ring1][=Branch1][C][C][Branch1][Ring2][C][Ring1][#Branch1][Branch1][Ring2][C][Ring1][#Branch2][O][N]"}]