[{"from": "human", "value": "Provide a description of this molecule. [C][Branch1][P][C][N][Branch1][#Branch1][C][C][=Branch1][C][=O][O-1][C][C][=Branch1][C][=O][O-1][N][Branch1][#Branch1][C][C][=Branch1][C][=O][O-1][C][C][=Branch1][C][=O][O-1].[Fe+3]"}, {"from": "gpt", "value": "The molecule is an iron coordination entity. It contains an EDTA(4-)."}]