You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 3-[4-bromo-5-(4-chlorophenyl)sulfanylfuran-2-yl]-2-cyano-N-methylprop-2-enamide by IUPAC nomenclature, provide its molecular formula.
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C15H10BrClN2O2S
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