[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is a biologically inactive vitamin D derivative that is produced by the hydroxylation of 1,25-dihydroxyvitamin D2 presumably by 1,25-dihydroxyvitamin D3 24-hydroxylase (CYP24A1). 1,24,25-trihydroxyergocalciferol may be a marker for the metabolism of dietary ergocalciferol."}, {"from": "gpt", "value": "[C][C@H1][Branch2][Ring1][C][/C][=C][/C@][Branch1][C][C][Branch1][=Branch2][C][Branch1][C][C][Branch1][C][C][O][O][C@H1][C][C][C@@H1][C@@][Ring1][Branch1][Branch2][Ring1][Branch2][C][C][C][/C][\\-Ring1][=Branch1][=C][\\C][=C][\\C][C@H1][Branch1][#Branch2][C][C@@H1][Branch1][Branch1][C][/-Ring1][=Branch1][=C][O][O][C]"}]