[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is nonaethylene glycol in which one of the hydroxy groups is substituted by methoxy. It is functionally related to a nonaethylene glycol."}, {"from": "gpt", "value": "[C][O][C][C][O][C][C][O][C][C][O][C][C][O][C][C][O][C][C][O][C][C][O][C][C][O][C][C][O]"}]