[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][=Branch1][C][=O][N][C@@H1][Branch1][=Branch2][C][S@@][=Branch1][C][=O][C][C][=C][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is an alpha-amino-acid anion that is the conjugate base of N-acetylalliin, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of a N-acetylalliin."}]