[{"from": "human", "value": "Create a molecule with the structure as the one described. The molecule is an ultra long-chain primary fatty alcohol that is the all-trans-isomer of octaprenol. It is an ultra-long-chain primary fatty alcohol and a member of octaprenols."}, {"from": "gpt", "value": "[C][C][=Branch2][Branch1][#Branch2][=C][C][C][/C][=Branch2][Branch1][C][=C][/C][C][/C][=Branch2][Ring2][#Branch2][=C][/C][C][/C][=Branch2][Ring2][C][=C][/C][C][/C][=Branch2][Ring1][#Branch2][=C][/C][C][/C][=Branch2][Ring1][C][=C][/C][C][/C][=Branch1][O][=C][/C][C][/C][=Branch1][Ring2][=C][/C][O][/C][/C][/C][/C][/C][/C][/C][C]"}]