[{"from": "human", "value": "Provide a description of this molecule. [C][=C][C][=C][Branch2][Ring1][C][C][=Branch1][Ring2][=C][Ring1][=Branch1][C][=Branch1][C][=O][N][C][C][=Branch1][C][=O][O-1][I]"}, {"from": "gpt", "value": "The molecule is a carboxylic acid anion resulting from the deprotonation of the carboxy group of 2-iodohippuric acid. It is a conjugate base of a 2-iodohippuric acid."}]