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What is the molecular formula of the molecule identified by 11,20-dioxa-3,14,15,16-tetrazapentacyclo[19.3.1.16,10.113,16.02,7]heptacosa-1(25),6,8,10(27),13(26),14,21,23-octaen-3-yl(pyridin-4-yl)methanone ?
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C27H25N5O3
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