[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule is a natural product found in Erigeron sumatrensis, Conyza sumatrensis, and Erigeron annuus with data available."}, {"from": "gpt", "value": "[C][C][Branch1][C][C][C@H1][C][C][C@@][Branch1][S][C@@H1][Ring1][Branch1][C][=C][Branch1][#Branch1][C][C][C@H1][Ring1][#Branch1][O][C][=O][C]"}]