[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a natural product found in Xanthopappus subacaulis with data available."}, {"from": "gpt", "value": "[C][C][=C][C][#C][C][#C][C][=C][C][=C][Branch1][Ring2][S][Ring1][Branch1][C][=Branch1][C][=O][C][Branch1][#Branch1][C][C][=Branch1][C][=O][C][Branch1][P][C][=C][C][=C][Branch1][Ring2][S][Ring1][Branch1][C][#C][C][#C][C][=C][C][O]"}]