[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule is a 9,10-epoxy-18-hydroxyoctadecanoate that is the conjugate base of (9S,10R)-9,10-epoxy-18-hydroxyoctadecanoic acid arising from deprotonation of the carboxylic acid function; major species at pH 7.3. It is a conjugate base of a (9S,10R)-9,10-epoxy-18-hydroxyoctadecanoic acid. It is an enantiomer of a (9R,10S)-9,10-epoxy-18-hydroxyoctadecanoate."}, {"from": "gpt", "value": "[C][Branch1][=Branch1][C][C][C][C][O][C][C][C][C@@H1][C@@H1][Branch1][Ring2][O][Ring1][Ring1][C][C][C][C][C][C][C][C][=Branch1][C][=O][O-1]"}]