[{"from": "human", "value": "Please give me some details about this molecule. [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]"}, {"from": "gpt", "value": "The molecule is eHNA of absolute configuration 2S,3R. It is an enantiomer of a (2R,3S)-EHNA."}]