[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. The molecule is a natural product found in Allium cepa with data available."}, {"from": "gpt", "value": "[C][C][C][S][C][=C][Branch1][#Branch2][C][=Branch1][C][=O][O][C@H1][Ring1][=Branch1][O][C]"}]