[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is the inorganic nitrate salt of potassium. It has a role as a fertilizer. It is a potassium salt and an inorganic nitrate salt."}, {"from": "gpt", "value": "[N+1][=Branch1][C][=O][Branch1][C][O-1][O-1].[K+1]"}]