[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is metabolite of vitamin D2. It present in the circulation of humans, cows, and rats given pharmacologic doses of vitamin D2"}, {"from": "gpt", "value": "[C][C@H1][Branch1][#C][/C][=C][/C@][Branch1][C][C][Branch1][=Branch1][C][Branch1][C][C][C][O][C@H1][C][C][C][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]"}]