[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a white crystal or powder with reducing property. Sodium sulfite exhibits bleaching, de-sulfurizing, and dechlorinating activities. This agent was used by food industry to help maintain the fresh appearance of food products. It is also a component in many drugs, which helps maintain their potency and stability. FDA has ruled sodium sulfite a new animal drug of low regulatory priority."}, {"from": "gpt", "value": "[O-1][S][=Branch1][C][=O][O-1].[Na+1].[Na+1]"}]