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-(furan-2-ylmethyl)-1-[[1-(4-nitrophenyl)triazol-4-yl]methyl]-5-phenyl-7-(trifluoromethyl)imidazo[4,5-b]pyridin-2-one by IUPAC nomenclature, provide its molecular formula.
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C27H18F3N7O4
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