[{"from": "human", "value": "Describe this molecule. [C][O][C@@H1][C][C][=Branch1][C][=O][C@@H1][C@H1][Branch1][=C][C@][Ring1][#Branch1][Branch1][Branch2][C][C][=Branch1][C][=O][O][C][O][O][Ring1][#Branch2]"}, {"from": "gpt", "value": "The molecule is a natural product found in Jacobaea argunensis and Jacobaea erucifolia with data available."}]