[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a natural product found in Psidium guajava, Dillenia indica, and Allium cepa with data available."}, {"from": "gpt", "value": "[C][C@H1][Branch1][O][C@@H1][Branch1][#Branch1][C][O][C@@H1][Ring1][=Branch1][O][O][O]"}]