[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C@@H1][C][C][C@H1][Branch1][=C][C@@H1][C@H1][Ring1][=Branch1][C][C][C][=Branch1][Ring2][=C][Ring1][=Branch1][C][C][=Branch1][C][=C][C][=O]"}, {"from": "gpt", "value": "The molecule is a sesquiterpenoid aldehyde, an intermedediate in the biosynthesis of artemisinin from artemisinic alcohol in Artemisia annua. It is a sesquiterpenoid, a carbobicyclic compound, an aldehyde and a member of octahydronaphthalenes."}]