[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is an alkylglycerol that is glycerol in which one of the primary hydroxy groups has been converted into the corresponding octadecyl ether. It is used in cosmetics as a stabilising ingredient and skin-conditioning agent."}, {"from": "gpt", "value": "[C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][O][C][C][Branch1][Ring1][C][O][O]"}]