[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C@H1][C@@H1][C][C][=C][C@@H1][C][C][C@@H1][Branch2][Ring1][N][C@][Ring1][Branch1][Branch2][Ring1][Branch1][C][C][C@@H1][Ring1][=Branch2][C@][Ring1][=N][Branch1][#Branch2][C][C@H1][Branch1][Branch1][C@@H1][Ring1][P][O][O][C][C][C@@H1][Branch1][N][C][C][C][=Branch1][C][=C][C][Branch1][C][C][C][C][O]"}, {"from": "gpt", "value": "The molecule is a 3beta-hydroxy steroid that is 4-methylergosta-7,24(28)-dien-3-ol substituted by additional hydroxy groups at positions 2 and 21 (the 2alpha,3beta,4alpha,5alpha stereoisomer). It has been isolated from the roots of Breynia fruticosa and exhibits cytotoxic activity against human cancer cell lines. It has a role as an antineoplastic agent and a plant metabolite. It is a 3beta-hydroxy steroid, a 21-hydroxy steroid and a triol."}]