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For the molecule named tert-butyl N-[3-[2-(diethylamino)-4-[2-[2-[ethoxy(methyl)phosphanyl]-6-(hydroxymethyl)pyridin-4-yl]ethynyl]phenoxy]propyl]carbamate by IUPAC nomenclature, provide its molecular formula.
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C29H42N3O5P
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