[{"from": "human", "value": "Create a molecule with the structure as the one described. The molecule is a primary alcohol having the structure of isopentyl alcohol but with a double bond between C-3 and one of the C-4 atoms. It has a role as a metabolite. It is a primary alcohol and a homoallylic alcohol."}, {"from": "gpt", "value": "[C][C][=Branch1][C][=C][C][C][O]"}]