[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a HEPE(1-) that is the conjugate base of 9-HEPE, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of a 9-HEPE."}, {"from": "gpt", "value": "[C][C][/C][=C][\\C][/C][=C][\\C][/C][=C][\\C][C][Branch1][=N][/C][=C][/C][=C][\\C][C][C][C][=Branch1][C][=O][O-1][O]"}]