[{"from": "human", "value": "Create a molecule with the structure as the one described. The molecule is a diphosphate ion. It is a conjugate base of a diphosphate(3-)."}, {"from": "gpt", "value": "[O-1][P][=Branch1][C][=O][Branch1][C][O-1][O][P][=Branch1][C][=O][Branch1][C][O-1][O-1]"}]