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 [2-[2-(4-methylphenyl)sulfanylethylamino]-2-oxoethyl] 3-(2-oxo-1,3-benzoxazol-3-yl)propanoate is given. What is its corresponding molecular formula?
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C21H22N2O5S
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