[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a polyunsaturated fatty acid that is decanoic acid (capric acid) which has been dehydrogenated to introduce double bonds with E configuration at positions 2-3 and 4-5. It is a medium-chain fatty acid and a polyunsaturated fatty acid."}, {"from": "gpt", "value": "[C][C][C][C][C][/C][=C][/C][=C][/C][=Branch1][C][=O][O]"}]