[{"from": "human", "value": "Describe this molecule. [C][C][Branch1][C][C][C][=C][C@@][C@@H1][Branch1][Ring2][O][Ring1][Ring1][C@@H1][C@@H1][C@@][Branch1][=Branch2][C][Ring1][#Branch1][=C][C][Ring1][O][=O][Branch1][O][C][C][C][C][Ring1][#Branch2][Branch1][C][C][C][C][=Branch1][C][=O][O][Ring1][S]"}, {"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, a cyclic terpene ketone and an epoxide."}]