[{"from": "human", "value": "Provide a description of this molecule. [C][C][=Branch1][C][=O][O][C@@][Branch1][C][C][Branch2][Ring2][=N][C@H1][C][C][C@@][Branch2][Ring2][Branch1][C@@][Ring1][Branch1][Branch2][Ring1][=C][C][C][C][=C][Ring1][=Branch1][C][C][C@@H1][C][=Branch1][Ring2][=C][Ring1][#Branch1][C][=C][C][=Branch1][C][=O][O][C][Ring1][=Branch2][Branch1][C][C][C][C][C][C@H1][C][C][C][Branch1][Ring2][C][Ring1][Ring2][C][=Branch1][C][=O][O][Ring1][Branch2]"}, {"from": "gpt", "value": "The molecule is a tetracyclic triterpenoid isolated from Schisandra propinqua and Schisandra henryi. It has been shown to exhibit cytotoxic activity against Leukemia cells. It has a role as a metabolite and an antineoplastic agent. It is a tetracyclic triterpenoid, a lactone and an acetate ester."}]