[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a mineral with formula of KMgCl3\u00b76H2O. The corresponding IMA (International Mineralogical Association) number is  . The IMA symbol is Cna."}, {"from": "gpt", "value": "[O].[O].[O].[O].[O].[O].[Mg+2].[Cl-1].[Cl-1].[Cl-1].[K+1]"}]