[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][C][Branch1][C][C][C][Branch1][C][C][C][Branch1][C][C][C][C@@][Branch1][C][C][Branch2][Ring2][O][C][=C][C][C@@H1][C@@][Ring1][Branch1][Branch2][Ring1][S][C][C][C@H1][C@H1][Ring1][=Branch1][C][C@H1][Branch2][Ring1][Ring2][C@@][Branch1][S][C@@][Ring1][=Branch1][Branch1][#Branch2][C][C][C@@H1][Branch1][Ring2][C][Ring1][=Branch1][O][C][O][O][C][O]"}, {"from": "gpt", "value": "The molecule is a 3beta-hydroxy steroid consisting of 23,24-dimethylcholest-16-ene substituted by hydroxy groups at positions 3, 5, 6 and 20 (the 3beta,5alpha,6beta,20S stereoisomer). Isolated from the soft coral Sarcophyton trocheliophorum, it exhibits cytotoxic activity against human cancer cells. It has a role as an antineoplastic agent and a coral metabolite. It is a 5alpha-hydroxy steroid, a 3beta-hydroxy steroid, a 6beta-hydroxy steroid and a 20-hydroxy steroid."}]