You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Translate the chemical IUPAC name 2-(hydroxymethyl)-6-[2-methyl-4-[5-(trifluoromethyl)pyrazin-2-yl]phenoxy]oxane-3,4,5-triol into its molecular formula.
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C18H19F3N2O6
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