[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][C][Branch1][C][C][C][=C][C@][C][C][C@@H1][C@@][Branch1][=Branch2][C][Ring1][=Branch1][=C][C][Ring1][#Branch2][=O][Branch1][O][C][C][C][C][Ring1][#Branch2][Branch1][C][C][C][C][=Branch1][C][=O][O][Ring2][Ring1][C]"}, {"from": "gpt", "value": "The molecule is an abietane diterpenoid isolated from the stem bark of Fraxinus sieboldiana. It has a role as a plant metabolite. It is a diterpene lactone, an abietane diterpenoid and a cyclic terpene ketone."}]