You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule 2-ethyl-N-[1-(furan-2-ylmethyl)-5-(trifluoromethyl)benzimidazol-2-yl]-4-methyl-1,3-thiazole-5-carboxamide into molecular formula.
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C20H17F3N4O2S
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