[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is eHNA of absolute configuration 2S,3R. It is an enantiomer of a (2R,3S)-EHNA."}, {"from": "gpt", "value": "[C][C][C][C][C][C][C@H1][Branch1][=Branch1][C@H1][Branch1][C][C][O][N][C][=N][C][=C][Branch1][=Branch2][N][=C][N][=C][Ring1][=Branch1][Ring1][=Branch2][N]"}]