[{"from": "human", "value": "Describe this molecule. [C][C][Branch2][Ring1][#Branch1][/C][=C][\\C][/C][=C][\\C][/C][=C][\\C][/C][=C][\\C][/C][=C][\\C][C][C][C][=Branch1][C][=O][O][O]"}, {"from": "gpt", "value": "The molecule is a HEPE obtained by hydroxylation at position 19 of all-cis-5,8,11,14,17-icosapentaenoic acid. It is functionally related to an all-cis-5,8,11,14,17-icosapentaenoic acid. It is a conjugate acid of a 19-HEPE(1-)."}]