[{"from": "human", "value": "Generate a molecule based on this description. The molecule is a mineral with formula of K3NaFe2+Cl6. The corresponding IMA (International Mineralogical Association) number is  . The IMA symbol is Rne."}, {"from": "gpt", "value": "[Na+1].[Cl-1].[Cl-1].[Cl-1].[Cl-1].[Cl-1].[Cl-1].[K+1].[K+1].[K+1].[Fe+2]"}]