[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is used to modify ion-exchange membranes used in the production of grapefruit juice\n\nChloromethyl methyl ether belongs to the family of Organochlorides. These are organic compounds containing a chlorine atom."}, {"from": "gpt", "value": "[C][O][C][Cl]"}]