[{"from": "human", "value": "Please give me some details about this molecule. [C][C][Branch1][C][C][C][C][C][C][C][=Branch1][C][=O][C][=C][Branch1][#Branch1][C][O][C][Ring1][Branch1][=O][C][O][P][=Branch1][C][=O][Branch1][C][O-1][O-1]"}, {"from": "gpt", "value": "The molecule is a (4-alkanoyl-5-oxo-2,5-dihydrofuran-3-yl)methyl phosphate(2-) obtained by deprotonation of the phosphate OH groups of [4-(6-methylheptanoyl)-5-oxo-2,5-dihydrofuran-3-yl]methyl phosphate; major species at pH 7.3. It is a conjugate base of a [4-(6-methylheptanoyl)-5-oxo-2,5-dihydrofuran-3-yl]methyl phosphate."}]