You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name tert-butyl N-[1-[[2-(benzylamino)-1-(3-hydroxyphenyl)-2-oxoethyl]-ethynylamino]-4-methylsulfanyl-1-oxobutan-2-yl]carbamate into its molecular formula.
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C27H33N3O5S
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