You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named (5S)-3-[2-[(2R)-2-(2-fluorophenyl)-1,3-thiazolidin-3-yl]-2-oxoethyl]-5-(furan-2-yl)-5-methylimidazolidine-2,4-dione by IUPAC nomenclature, provide its molecular formula.
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C19H18FN3O4S
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