You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 4-(1-tert-butylsulfinylbutan-2-yl)-5-(4-chlorophenyl)-2-(2,3-dihydroxypropyl)morpholin-3-one into its molecular formula.
user
C21H32ClNO5S
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