[{"from": "human", "value": "Describe this molecule. [C][C][C@@H1][C@@H1][Branch1][Ring2][O][Ring1][Ring1][C][/C][=C][\\C][/C][=C][\\C][/C][=C][\\C][/C][=C][\\C][C][C][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is a 17(18)-EpETE in which the epoxy group has (17S,18R)-configuration. It is a conjugate acid of a 17(S),18(R)-EETeTr(1-). It is an enantiomer of a 17(R),18(S)-EETeTr."}]