[{"from": "human", "value": "Please give me some details about this molecule. [C][C][=Branch2][Ring1][=C][=C][C][C][C@H1][C][=Branch1][Ring2][=C][Ring1][=Branch1][C][C][C@@H1][C@@][Ring1][#Branch1][Branch1][O][C][C][C][C][Ring1][=Branch1][Branch1][C][C][C][C][C]"}, {"from": "gpt", "value": "The molecule is an abietadiene in which the two double bonds are located at the 8(14)- and 13(15)-positions."}]