[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a white, crystalline powder that is commonly used as a pH buffering agent, an electrolyte replenisher, systemic alkalizer and in topical cleansing solutions."}, {"from": "gpt", "value": "[C][=Branch1][C][=O][Branch1][C][O][O-1].[Na+1]"}]