[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][=C][C@H1][Branch2][Ring1][Branch2][C@H1][C][Ring1][=Branch1][=N][C][=C][Branch1][Ring2][N][Ring1][=Branch1][C][C][=C][C@H1][Ring1][#Branch1][C][=Branch1][C][=O][O-1][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is a dicarboxylic acid dianion obtained by deprotonation of the carboxy groups of (1R,5aS,6R)-1,4,5,5a,6,9-hexahydrophenazine-1,6-dicarboxylic acid; major species at pH 7.3. It is a conjugate base of a (1R,5aS,6R)-1,4,5,5a,6,9-hexahydrophenazine-1,6-dicarboxylic acid."}]