[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule is a potassium salt and a chlorometallate salt. It contains a pentachloro(nitrido)osmate(2-)."}, {"from": "gpt", "value": "[N][#Os-2][Branch1][C][Cl][Branch1][C][Cl][Branch1][C][Cl][Branch1][C][Cl][Cl].[K+1].[K+1]"}]