[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a mineral with formula of MgS6+O4\u00b7H2O or Mg(SO4)\u00b7H2O. The corresponding IMA (International Mineralogical Association) number is  . The IMA symbol is Ksr."}, {"from": "gpt", "value": "[O].[O-1][S][=Branch1][C][=O][=Branch1][C][=O][O-1].[Mg+2]"}]