[{"from": "human", "value": "What can you tell me about this molecule? [C][C@H1][Branch1][=Branch2][C][C][C][C][Branch1][C][C][C][C@H1][C][C][C@@H1][C@@][Ring1][Branch1][Branch2][Ring1][#C][C][C][C@H1][C@][Ring1][=Branch1][C][=C][C@@][Branch1][S][C@@][Ring1][=Branch1][Branch1][#Branch2][C][C][C@@H1][Branch1][Ring2][C][Ring1][=Branch1][O][C][O][O][Ring1][=N][C]"}, {"from": "gpt", "value": "The molecule is a cholestanoid that is cholest-6-ene substituted by a beta-hydroxy group at position 3 and a peroxy group between positions 5 and 8 (the 5alpha,8alpha stereoisomer). Isolated from the sea urchin Diadema setosum, it exhibits cytotoxicity against variuos cancer cell lines. It has a role as a metabolite and an antineoplastic agent. It is an organic peroxide, a cholestanoid and a 3beta-sterol."}]