[{"from": "human", "value": "Provide a brief overview of this molecule. [2H][C][Branch1][C][2H][Branch1][C][2H][C@@H1][Branch2][Ring2][C][C][Branch1][C][2H][Branch1][C][2H][C][C][C][N][C][=Branch1][C][=O][C][=C][Branch1][#Branch1][N][=C][N][Ring1][Branch1][C][N][Branch1][Branch1][C][Ring1][O][=O][C][O]"}, {"from": "gpt", "value": "The molecule is under investigation in clinical trial NCT01487109 (A Phase 2 Study to Evaluate the Safety and Efficacy of CTP-499 in Type 2 Diabetic Nephropathy Patients)."}]