[{"from": "human", "value": "Generate a molecule based on this description. The molecule is a member of the class of phytosterols that is poriferast-5-ene carrying a beta-hydroxy substituent at position 3. It has a role as a plant metabolite and a marine metabolite. It is a 3beta-sterol, a member of phytosterols and a 3beta-hydroxy-Delta(5)-steroid. It derives from a hydride of a poriferastane."}, {"from": "gpt", "value": "[C][C][C@@H1][Branch2][Ring2][#Branch2][C][C][C@@H1][Branch1][C][C][C@H1][C][C][C@@H1][C@@][Ring1][Branch1][Branch2][Ring1][=Branch2][C][C][C@H1][C@H1][Ring1][=Branch1][C][C][=C][C@@][Ring1][=Branch1][Branch1][#Branch2][C][C][C@@H1][Branch1][Ring2][C][Ring1][=Branch1][O][C][C][C][Branch1][C][C][C]"}]