[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. The molecule is a synthetic cresol glyceryl ether which produces transient muscle relaxation and paralysis via central nervous system depression. It first entered use in the 1950s."}, {"from": "gpt", "value": "[C][C][=C][C][=C][C][=C][Ring1][=Branch1][O][C][C][Branch1][Ring1][C][O][O]"}]