[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a potassium salt that is the dipotassium salt of carbonic acid. It has a role as a catalyst, a fertilizer and a flame retardant. It is a carbonate salt and a potassium salt."}, {"from": "gpt", "value": "[C][=Branch1][C][=O][Branch1][C][O-1][O-1].[K+1].[K+1]"}]