[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][C][=Branch1][C][=O][N][/C][=C][Branch1][O][/C][Branch1][Ring1][C][O][C][=Branch1][C][=O][O-1][\\C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is a dicarboxylic acid dianion obtained by removal of a proton from both of the carboxylic acid groups of 3-(acetamidomethylidene)-2-(hydroxymethyl)succinic acid. It is functionally related to a succinate(2-). It is a conjugate base of a 3-(acetamidomethylidene)-2-(hydroxymethyl)succinic acid."}]