[{"from": "human", "value": "What can you tell me about this molecule? [O][S][=Branch1][C][=O][=Branch1][C][=O][O-1].[K+1]"}, {"from": "gpt", "value": "The molecule is a colorless crystalline solid with a sulfur odor. It may cause illness from ingestion. If heated to high temperatures it may emit toxic fumes. It is used to make fertilizers and wine."}]