[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a metabolite of calcidiol that is produced by 1,25-dihydroxyvitamin D3 24-hydroxylase (CYP24A1)."}, {"from": "gpt", "value": "[C][C@H1][Branch1][#Branch1][C][C][=Branch1][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]"}]