[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a natural product found in Senecio lydenburgensis with data available."}, {"from": "gpt", "value": "[C][C][C][=Branch1][C][=O][O][C][=C][C][=Branch1][S][=C][Branch1][N][C][=C][Ring1][=Branch1][C][C][C][C@@H1][Ring1][=Branch1][C][C][C][=Branch1][Branch1][=C][O][Ring1][=C][C]"}]