[{"from": "human", "value": "Create a molecule with the structure as the one described. The molecule is a hexacyanoferrate(4-) salt and an ammonium salt."}, {"from": "gpt", "value": "[C-1][#N].[C-1][#N].[C-1][#N].[C-1][#N].[C-1][#N].[C-1][#N].[NH4+1].[NH4+1].[NH4+1].[NH4+1].[Fe+2]"}]