[{"from": "human", "value": "What can you tell me about this molecule? [O][O][S][=Branch1][C][=O][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is a peroxysulfate(1-). It is a tautomer of a hydroxidodioxidoperoxidosulfate(1-)."}]