You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 2,2,2-trifluoro-N-[2-[4-(2-phenylethylsulfonyl)phenyl]-1,3-oxazol-5-yl]acetamide by IUPAC nomenclature, provide its molecular formula.
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C19H15F3N2O4S
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