[{"from": "human", "value": "Provide a description of this molecule. [C][C][=C][Branch1][Branch2][C][=Branch1][C][=O][O][Ring1][=Branch1][C][C@][Branch2][Ring1][Ring2][C][O][C][=C][Branch1][Branch1][C][Ring1][=Branch1][=O][C][=C][C][=Branch1][Ring2][=C][Ring1][Branch2][O][O]"}, {"from": "gpt", "value": "The molecule is a natural product found in Biancaea sappan with data available."}]