[{"from": "human", "value": "Provide a brief overview of this molecule. [NH4+1].[NH4+1].[O-1][S][=Branch1][C][=O][=Branch1][C][=O][O-1].[O-1][S][=Branch1][C][=O][=Branch1][C][=O][O-1].[Fe+2]"}, {"from": "gpt", "value": "The molecule appears as a light green crystalline solid. The primary hazard is the threat to the environment. Immediate steps should be taken to limit its spread to the environment. It is used in medicine, chemical analysis and metallurgy."}]