[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is a natural product found in Allium cepa, Allium sativum, and Allium ursinum with data available."}, {"from": "gpt", "value": "[C][=C][C][S@@][=Branch1][C][=O][C][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][N]"}]