[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a 23,24-dihydrocucurbitacin in which a lanostane skeleton is multi-substituted with hydroxy, methyl and oxo substituents, with unsaturation at position 5; a hydroxy function at C-25 is acetylated. It is a 23,24-dihydrocucurbitacin, a secondary alpha-hydroxy ketone and a tertiary alpha-hydroxy ketone. It is functionally related to a cucurbitacin B."}, {"from": "gpt", "value": "[C][C][=Branch1][C][=O][O][C][Branch1][C][C][Branch1][C][C][C][C][C][=Branch1][C][=O][C@@][Branch1][C][C][Branch2][Branch1][#Branch1][C@H1][C@@H1][Branch2][Ring2][P][C][C@@][Branch2][Ring2][O][C@@][Ring1][Branch1][Branch2][Ring2][Ring2][C][C][=Branch1][C][=O][C@@][Branch2][Ring1][#Branch2][C@H1][Ring1][#Branch1][C][C][=C][C@H1][Ring1][=Branch1][C][C@@H1][Branch1][N][C][=Branch1][C][=O][C][Ring1][#Branch1][Branch1][C][C][C][O][C][C][C][O][O]"}]