[{"from": "human", "value": "Provide a description of this molecule. [C][=C][C][=Branch1][#Branch1][=C][C][=C][Ring1][=Branch1][N][As][=Branch1][C][=O][Branch1][C][O][O-1]"}, {"from": "gpt", "value": "The molecule is the conjugate base of arsenilic acid. It is a conjugate base of an arsanilic acid."}]