[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is an alpha,beta-unsaturated monocarboxylic acid, a hydroxy monounsaturated fatty acid, a medium-chain fatty acid and a straight-chain fatty acid. It is functionally related to a trans-2-dodecenoic acid."}, {"from": "gpt", "value": "[C][C][Branch1][#C][C][C][C][C][C][C][C][/C][=C][/C][=Branch1][C][=O][O][O]"}]