[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a natural product found in Thapsia garganica with data available."}, {"from": "gpt", "value": "[C][C][C][C][C][C][C][C][C][=Branch1][C][=O][O][C@@H1][Branch1][S][C][O][C][=Branch1][C][=O][C][C][C][C][C][C][Ring2][Ring1][=Branch1][C][O]"}]