You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule (2S)-2-acetamido-3-(acetyloxymethoxycarbonylsulfanyl)-3-methylbutanoic acid;(2S)-2-acetamido-3-(benzoyloxymethoxycarbonylsulfanyl)-3-methylbutanoic acid;(2S)-2-acetamido-3-(cyclohexanecarbonyloxymethoxycarbonylsulfanyl)-3-methylbutanoic acid;(2S)-2-acetamido-3-(2,2-dimethylpropanoyloxymethoxycarbonylsulfanyl)-3-methylbutanoic acid;(2S)-2-acetamido-3-methyl-3-(2-methylpropanoyloxymethoxycarbonylsulfanyl)butanoic acid;(2S)-2-acetamido-3-methyl-3-(propanoyloxymethoxycarbonylsulfanyl)butanoic acid .
user
C82H124N6O42S6
assistant