[{"from": "human", "value": "Provide a description of this molecule. [C][C][=Branch1][C][=O][O][C@@H1][C][C@@H1][C@][Branch1][=C][C][=C][C][=Branch1][C][=O][C][Ring1][#Branch1][Branch1][C][C][C][Branch2][Ring1][S][C@@H1][C@@][Ring1][=N][Branch2][Ring1][Branch2][C][=C][C][C@H1][Branch1][O][C@@][Ring1][Branch1][Branch1][Branch1][C][C][Ring1][=Branch2][C][C][=C][O][C][=C][Ring1][Branch1][C][C]"}, {"from": "gpt", "value": "The molecule is a tetracyclic triterpenoid that is 4,4,8-trimethylandrosta-1,14-diene substituted by an oxo group at position 3, an acetoxy group at position 7 and a furan-3-yl group at position 17. Isolated from Azadirachta indica, it exhibits antiplasmodial and antineoplastic activities. It has a role as an antineoplastic agent, an antiplasmodial drug and a plant metabolite. It is an acetate ester, a cyclic terpene ketone, a member of furans, a limonoid and a tetracyclic triterpenoid."}]