[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is an aliphatic carboxylic acid, also known as enanthic acid, used in the synthesis of esters for products such as fragrances and artificial flavor preparations."}, {"from": "gpt", "value": "[C][C][C][C][C][C][C][=Branch1][C][=O][O]"}]