You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named (4-nitrophenyl)methyl (2S,5S)-5-acetylsulfanyl-2-(dimethylcarbamoyl)piperidine-1-carboxylate is given. What is its corresponding molecular formula?
user
C18H23N3O6S
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