[{"from": "human", "value": "Please give me some details about 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][C][=Branch1][C][=O][C]"}, {"from": "gpt", "value": "The molecule is an S-substituted N-acetyl-L-cysteine arising from formal 1,4-addition of the side-chain sulfur atom to N-ethylmaleimide. It is a S-substituted N-acetyl-L-cysteine and an organic sulfide. It is functionally related to a N-ethylsuccinimide."}]