[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. The molecule is a quarternary ammonium chloride salt in which the cation has four ethyl substituents around the central nitrogen. It has a role as a potassium channel blocker. It is a quaternary ammonium salt and an organic chloride salt. It contains a tetraethylammonium."}, {"from": "gpt", "value": "[C][C][N+1][Branch1][Ring1][C][C][Branch1][Ring1][C][C][C][C].[Cl-1]"}]