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)-1-oxo-1-(4-sulfamoylanilino)propan-2-yl] 4-(4-chlorophenyl)-4-oxobutanoate is given. What is its corresponding molecular formula?
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C19H19ClN2O6S
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