[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a 3-hydroxyoctadecanoic acid. It is an enantiomer of a (S)-3-hydroxyoctadecanoic acid."}, {"from": "gpt", "value": "[C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C@H1][Branch1][#Branch1][C][C][=Branch1][C][=O][O][O]"}]