[{"from": "human", "value": "Generate a molecule based on this description. The molecule is a very long-chain primary fatty alcohol that is pentacosane in which a hydrogen attached to one of the terminal carbons is replaced by a hydroxy group. It has been identified in the roots of Rhodiola imbricata. It has a role as a plant metabolite. It derives from a hydride of a pentacosane."}, {"from": "gpt", "value": "[C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][O]"}]