You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 4-[4-[7-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)spiro[fluorene-9,9'-thioxanthene]-4-yl]naphthalen-1-yl]benzonitrile by IUPAC nomenclature, provide its molecular formula.
user
C48H36BNO2S
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