[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][=Branch1][C][=O][O][C][C][C@@H1][C@H1][Branch2][Ring2][#Branch2][O][C][=C][Ring1][Branch1][C][=Branch2][Ring1][S][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][C][=Branch1][C][=O][C][=C][Branch1][Branch1][C][Ring1][Branch2][=O][C][=Branch1][=Branch2][=C][C][=Branch1][Ring2][=C][Ring1][Branch2][O][O][O-1][O]"}, {"from": "gpt", "value": "The molecule is a phenolate anion obtained by deprotonation of the 8-hydroxy group of (2S-3S)-versiconal hemiacetal acetate. It is the major microspecies at pH 7.3 (according to Marvin v 6.2.0.). It is a conjugate base of a (2S,3S)-versiconal hemiacetal acetate."}]