[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is an O-alkylglycerone that consists of glycerone bearing a single O-methyl substituent. It is functionally related to a dihydroxyacetone and an acetone."}, {"from": "gpt", "value": "[C][O][C][C][=Branch1][C][=O][C][O]"}]