[{"from": "human", "value": "Could you provide a description of this molecule? [C][=C][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][C][=Branch1][C][=O][C][=C][C][=Branch1][S][=C][Branch1][N][C][=Branch1][Branch2][=C][Ring1][=Branch1][C][Ring1][N][=O][O][O][S][=Branch1][C][=O][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is an organosulfonate oxoanion that is the conjugate base of 3,4-dihydroxy-9,10-dioxo-9,10-dihydroanthracene-2-sulfonic acid, obtained by deprotonation of the sulfo group. It is a conjugate base of a 3,4-dihydroxy-9,10-dioxo-9,10-dihydroanthracene-2-sulfonic acid."}]