[{"from": "human", "value": "Generate a molecule based on this description. The molecule is a dicarboxylic acid dianion resulting from the removal of a proton from both of the carboxy groups of iminodiacetic acid. It is a conjugate base of an iminodiacetic acid and an ammoniodiacetate."}, {"from": "gpt", "value": "[C][Branch1][=Branch1][C][=Branch1][C][=O][O-1][N][C][C][=Branch1][C][=O][O-1]"}]