[{"from": "human", "value": "Could you provide a description of this molecule? [C][/C][=Branch2][Ring1][Ring2][=C][\\C][O][P][=Branch1][C][=O][Branch1][C][O][O][P][=Branch1][C][=O][Branch1][C][O][O][/C][O]"}, {"from": "gpt", "value": "The molecule is a prenol phosphate comprising (2E)-4-hydroxy-3-methylbut-2-en-1-ol having an O-diphosphate substituent. It has a role as an epitope, a phosphoantigen and an Escherichia coli metabolite. It is a conjugate acid of a (2E)-4-hydroxy-3-methylbut-2-enyl diphosphate(3-)."}]