[{"from": "human", "value": "Provide a description of this molecule. [O-1][S][=Branch1][C][=O][=Branch1][C][=O][O-1].[O-1][S][=Branch1][C][=O][=Branch1][C][=O][O-1].[O-1][S][=Branch1][C][=O][=Branch1][C][=O][O-1].[Cr+3].[Cr+3]"}, {"from": "gpt", "value": "The molecule is a compound of chromium and sulfate in which the ratio of chromium (in the +3 oxidation state) to sulfate is 2:3 It contains a chromium(3+)."}]