[{"from": "human", "value": "Describe this molecule. [C][C@@H1][Branch2][Ring1][=Branch2][C][=Branch1][C][=O][C][=N][C][=C][Branch1][Branch1][N][C][Ring1][=Branch1][N][=C][Branch1][=Branch1][N][C][Ring1][Branch2][=O][N][O]"}, {"from": "gpt", "value": "The molecule is under investigation in clinical trial NCT03519711 (A Study of CNSA-001 in Primary Tetrahydrobiopterin (BH4) Deficient Participants With Hyperphenylalaninemia)."}]