You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named N-[(E)-3-[(4R)-2,2-dimethyl-4-phenyl-1,3-oxazolidin-3-yl]-3-oxo-1-phenylprop-1-enyl]-4-methylbenzenesulfonamide by IUPAC nomenclature, provide its molecular formula.
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C27H28N2O4S
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