You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named [(2R)-3-methylsulfonyl-1-oxo-1-[4-(3-oxomorpholin-4-yl)anilino]propan-2-yl] N-(4-chlorophenyl)carbamate is given. What is its corresponding molecular formula?
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C21H22ClN3O7S
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