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-[(1-butyl-2,3-dihydroindol-5-yl)methylidene]-1-naphthalen-1-yl-2-sulfanylidene-1,3-diazinane-4,6-dione by IUPAC nomenclature, provide its molecular formula.
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C27H25N3O2S
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