[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][=C][C@@H1][Branch2][Ring2][P][C@H1][Branch2][Ring2][N][C@][Branch2][Ring2][#Branch1][C@H1][Ring1][=Branch1][C][C][=Branch1][C][=O][C@][C@@H1][Ring1][#Branch1][C@H1][Branch2][Ring1][=Branch1][C@H1][C@][Branch1][O][C@@H1][Ring1][=Branch1][C][=Branch1][C][=O][O][Ring1][=Branch1][Branch1][Branch1][O][C][Ring1][O][C][O][C][O][O]"}, {"from": "gpt", "value": "The molecule is a quassinoid isolated from Quassia indica and has been shown to exhibit antineoplastic activity. It has a role as a metabolite and an antineoplastic agent. It is a bridged compound, a cyclic ether, a lactone, a triol, a secondary alcohol, an organic heteropentacyclic compound, a quassinoid and a cyclic ketone."}]