[{"from": "human", "value": "Please give me some details about this molecule. [C][=C][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][C][=Branch1][Branch1][=C][N][Ring1][=Branch1][C][=C][Branch2][Ring1][#Branch2][N][C][=Branch1][P][=C][Ring1][Branch1][C][=C][N][C][=C][C][=C][C][=C][Ring1][=Branch1][Ring1][=Branch2][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 both carboxy groups of chromopyrrolic acid; major microspecies at pH 7.3. It is a conjugate base of a chromopyrrolic acid."}]