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What is the molecular formula of the molecule N-[3-[[(3E)-7-cyclopropylimino-3-[(5-hydroxy-2-oxo-1,3-dihydroimidazol-4-yl)methylidene]pyrazolo[1,5-a]pyrimidin-5-yl]amino]phenyl]acetamide ?
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C21H20N8O3
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