[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][=Branch2][Ring2][=C][=C][C][C][=C][Branch2][Ring2][=Branch1][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][C][=Branch1][C][=O][N][C][=C][Branch2][Ring1][Ring1][C][=C][Branch1][#Branch2][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][O][C][Ring1][O][=O][O-1][O][C]"}, {"from": "gpt", "value": "The molecule is an organic anion obtained by selective deprotonation of the 4-hydroxy group on the chromene ring of 8-desmethylnovobiocic acid. It is a conjugate base of an 8-desmethylnovobiocic acid."}]