[{"from": "human", "value": "Please give me some details about this molecule. [C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][N+1][=C][C][=C][Branch2][Ring2][Ring1][C][=C][Branch1][#C][C][Ring1][=Branch1][=N][C][=C][C][=C][C][=C][Ring1][=Branch1][Ring1][=C][C][=C][C][=Branch1][Ring2][=C][Ring1][=C][S][=Branch1][C][=O][=Branch1][C][=O][O-1][N][C][=C][Branch1][P][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][S][=Branch1][C][=O][=Branch1][C][=O][O-1][S][=Branch1][C][=O][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is an organosulfonate oxoanion obtained by deprotonation of the sulfo groups of 4-[(7-phenyl-3-sulfobenzo[a]phenazin-5-ylidene)amino]benzene-1,3-disulfonic acid. It is a conjugate base of an azocarmine B free acid."}]