You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 1-amino-3,3-difluoro-2-[5-fluoro-4-(2-hydroxypropan-2-yl)-6-(4-methylphenyl)pyridin-2-yl]butan-2-ol by IUPAC nomenclature, provide its molecular formula.
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C19H23F3N2O2
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