[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is a natural product found in Verbesina glabrata, Ligularia duciformis, and Ligularia nelumbifolia with data available."}, {"from": "gpt", "value": "[C][C][=Branch2][Ring1][S][=C][C][C][/C][=Branch2][Ring1][Branch2][=C][/C][O][C][=C][Branch1][#C][C][=C][Branch1][#Branch1][C][=C][Ring1][=Branch1][O][C][/C][=C][/C][O][O][C][/C][C]"}]