[{"from": "human", "value": "Provide a description of this molecule. [C][Branch2][Ring1][#Branch2][C@@H1][C@H1][Branch2][Ring1][Ring2][C@H1][Branch1][S][C@H1][Branch1][Ring2][O][Ring1][Branch1][O][P][=Branch1][C][=O][Branch1][C][O][O][O][O][O][P][=Branch1][C][=O][Branch1][C][O][O]"}, {"from": "gpt", "value": "The molecule is a D-ribose 1,5-diphosphate in which the anomeric centre has alpha-configuration. It is a conjugate acid of an alpha-D-ribose 1,5-bisphosphate(4-)."}]