[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is an abietadiene in which the two double bonds are located at the 8(14)- and 13(15)-positions."}, {"from": "gpt", "value": "[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]"}]