You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named (5E)-5-[[4-methoxy-3-[(2,4,6-tribromophenoxy)methyl]phenyl]methylidene]-3-(oxolan-2-ylmethyl)-2-sulfanylideneimidazolidin-4-one by IUPAC nomenclature, provide its molecular formula.
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C23H21Br3N2O4S
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