[{"from": "human", "value": "Describe this molecule. [C][C][Branch1][C][C][C][=C][Branch2][Ring1][N][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][C][C][C@@H1][C][Ring1][#Branch1][=C][C][=Branch1][C][=O][C][C][Ring1][#Branch1][Branch1][C][C][C][O]"}, {"from": "gpt", "value": "The molecule is a tricyclic diterpenoid isolated from the stem bark of Fraxinus sieboldiana. It has a role as a plant metabolite. It is a cyclic terpene ketone, a member of phenols and a tricyclic diterpenoid."}]