[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][N][C][=Branch1][C][=O][C@@H1][Branch1][=Branch1][N][C][Ring1][=Branch1][=O][C][=C][C][=C][C][=C][Ring1][=Branch1]"}, {"from": "gpt", "value": "The molecule is the (S)-enantiomer of ethotoin. It is an enantiomer of a (R)-ethotoin."}]