[{"from": "human", "value": "Provide a brief overview of this molecule. [C][/C][=Branch2][Ring2][=C][=C][\\C][=C][\\C][=N+1][Branch2][Ring1][N][C][=C][Branch1][Branch2][C][Ring1][Branch1][Branch1][C][C][C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch2][S][=Branch1][C][=O][=Branch1][C][=O][O][C][C][S][=Branch1][C][=O][=Branch1][C][=O][O][/C][=C][/C][=C][\\C][Branch2][Ring2][C][C][=C][Branch1][=C][N][/-Ring1][Branch1][C][C][S][=Branch1][C][=O][=Branch1][C][=O][O-1][C][=C][C][=Branch1][Ring2][=C][Ring1][=N][S][=Branch1][C][=O][=Branch1][C][=O][O][Branch1][C][C][C]"}, {"from": "gpt", "value": "The molecule is a arenesulfonic acid in which two sulfonated indole moieties are linked via a 4-methylhepta-1,3,5-triene-1,7-diyl chain. It is a member of indoles, an arenesulfonic acid and an iminium betaine. It is a conjugate acid of a tetrasulfocyanine(3-)."}]