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-[2,6-dimethyl-4-[2-methylidene-3-[4-(2,2,2-trifluoroethyl)phenyl]sulfanylpyrazin-1-yl]phenoxy]-2,2-dimethylpropanenitrile by IUPAC nomenclature, provide its molecular formula.
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C26H26F3N3OS
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