[{"from": "human", "value": "Please give me some details about this molecule. [C][C][Branch2][Ring1][Ring1][N][C][=C][Branch1][Ring2][N][Ring1][=Branch1][N][=C][Branch1][=Branch1][N][C][Ring1][#Branch1][=O][N][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is a 5,6,7,8-tetrahydropterin having a carboxy group at the 6-position. It is a monocarboxylic acid and a tetrahydropterin."}]