[{"from": "human", "value": "Create a molecule with the structure as the one described. The molecule is an icosanoid anion that is the conjugate base of (18S)-resolvin E2, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is an icosanoid anion, a hydroxy fatty acid anion, a polyunsaturated fatty acid anion and a long-chain fatty acid anion. It is a conjugate base of a (18S)-resolvin E2."}, {"from": "gpt", "value": "[C][C][C@@H1][Branch2][Ring1][=Branch2][/C][=C][/C][=C][\\C][/C][=C][\\C][/C][=C][\\C][=C][\\C@H1][Branch1][=Branch2][C][C][C][C][=Branch1][C][=O][O-1][O][O]"}]