[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][N][C][=Branch1][C][=O][C][C][Branch1][Branch1][C][Ring1][=Branch1][=O][S][C][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][N]"}, {"from": "gpt", "value": "The molecule is an L-cysteine derivative that results when maleimide reacts with the thiol group of L-cysteine forming a thioether bond. It is a L-cysteine derivative, a member of maleimides and an organic sulfide."}]