[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C@H1][C@@H1][Branch2][Ring1][Ring1][N][C][=C][Branch1][Ring2][N][Ring1][=Branch1][N][=C][Branch1][=Branch1][N][C][Ring1][#Branch1][=O][N][C@@H1][Branch1][C][C][N][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][C@@H1][Branch2][Branch1][#Branch1][C@@H1][Branch2][Branch1][C][C@@H1][Branch2][Ring2][=N][C][O][C@@H1][C@@H1][Branch2][Ring2][Branch1][C@@H1][Branch2][Ring1][S][C@H1][Branch1][Ring2][O][Ring1][Branch1][C][O][P][=Branch1][C][=O][Branch1][C][O-1][O][C@@H1][Branch1][Branch2][C][C][C][=Branch1][C][=O][O-1][C][=Branch1][C][=O][O-1][O][O][O][O][O]"}, {"from": "gpt", "value": "The molecule is trianion of 5,6,7,8-tetrahydromethanopterin arising from deprotonation of carboxy and phosphate OH groups; major species at pH 7.3. It is an organophosphate oxoanion and a dicarboxylic acid dianion. It is a conjugate base of a 5,6,7,8-tetrahydromethanopterin."}]