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Name the molecular formula for the molecule established as 4-[5-[3-[(4-pyridin-3-ylpyrimidin-2-yl)amino]phenyl]-1,3-oxazol-2-yl]-4,7-diazaspiro[2.5]octan-8-one using the IUPAC nomenclature.
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C24H21N7O2
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