[{"from": "human", "value": "Could you provide a description of this molecule? [O][S][=Branch1][C][=O][O-1].[O][S][=Branch1][C][=O][O-1].[Ca+2]"}, {"from": "gpt", "value": "The molecule appears as a colorless to yellow aqueous solution with an odor of sulfur dioxide. Corrosive to metals."}]