[{"from": "human", "value": "What can you tell me about this molecule? [O][P][=Branch1][C][=O][O][P][=Branch1][C][=O][Branch1][N][O][P][=Branch1][C][=O][Branch1][Ring2][O][Ring1][=Branch2][O][O]"}, {"from": "gpt", "value": "The molecule is the cyclic anhydride of triphosphoric acid. It is a phosphorus oxoacid, an inorganic heterocyclic compound and a cyclic phosphorus acid anhydride. It is a conjugate acid of a cyclotriphosphate(3-)."}]