[{"from": "human", "value": "Provide a description of this molecule. [C][Branch2][Ring2][Ring1][C@@H1][C@H1][Branch2][Ring1][=N][C@H1][Branch2][Ring1][Branch2][C@H1][Branch1][Ring2][O][Ring1][Branch1][O][P][=Branch1][C][=O][Branch1][C][O-1][O][P][=Branch1][C][=O][Branch1][C][O-1][O-1][O][O][O][P][=Branch1][C][=O][Branch1][C][O-1][O-1]"}, {"from": "gpt", "value": "The molecule is pentaanion of 5-O-phosphono-alpha-D-ribofuranosyl diphosphate arising from deprotonation of the phosphate and diphosphate OH groups; major species at pH 7.3. It has a role as a human metabolite and a Saccharomyces cerevisiae metabolite. It is a conjugate base of a 5-O-phosphono-alpha-D-ribofuranosyl diphosphate."}]