[{"from": "human", "value": "Provide a description of this molecule. [C][=C][Branch2][Ring1][=Branch2][C][=Branch2][Ring1][Ring2][=C][Branch1][=Branch2][C][=Branch1][Branch1][=C][Ring1][=Branch1][O][O][S][=Branch1][C][=O][=Branch1][C][=O][O-1][O][C][=Branch1][C][=O][C][=C][Branch1][=Branch1][C][Ring2][Ring1][C][=O][C][=Branch2][Ring1][Ring2][=C][Branch1][=Branch2][C][=Branch1][Branch1][=C][Ring1][Branch2][O][O][S][=Branch1][C][=O][=Branch1][C][=O][O-1][O]"}, {"from": "gpt", "value": "The molecule is an organosulfonate oxoanion obtained by deprotonation of the sulfo groups of 1,3,4,5,7,8-hexahydroxy-9,10-dioxo-9,10-dihydroanthracene-2,6-disulfonic acid. It is a conjugate base of a 1,3,4,5,7,8-hexahydroxy-9,10-dioxo-9,10-dihydroanthracene-2,6-disulfonic acid."}]