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 5-[4-chloro-3-[3-(2-chloropyridin-4-yl)-4,4,4-trifluoro-3-hydroxybutan-2-yl]phenoxy]pyrazine-2-carboxylic acid into its molecular formula.
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C20H14Cl2F3N3O4
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