[{"from": "human", "value": "Provide a brief overview of this molecule. [O-1][As][=Branch1][C][=O][Branch1][C][O-1][O-1].[O-1][As][=Branch1][C][=O][Branch1][C][O-1][O-1].[Ca+2].[Ca+2].[Ca+2]"}, {"from": "gpt", "value": "The molecule is a chemical compound or arsenic, made especially toxic by its high solubility in water. (L719)"}]