[{"from": "human", "value": "Provide a brief overview of this molecule. [C][Branch1][P][C][NH1+1][Branch1][#Branch1][C][C][=Branch1][C][=O][O-1][C][C][=Branch1][C][=O][O-1][NH1+1][Branch1][#Branch1][C][C][=Branch1][C][=O][O-1][C][C][=Branch1][C][=O][O-1].[Ca+2]"}, {"from": "gpt", "value": "The molecule is an organic calcium salt that is the monocalcium salt of ethylenediaminetetraacetic acid (EDTA). It has a role as a chelator. It contains an EDTA(2-)."}]