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What is the molecular formula of the compound with this IUPAC name 5-(21-oxa-14-aza-1-borapentacyclo[12.7.0.02,7.08,13.015,20]henicosa-2,4,6,8,10,12,15(20),16,18-nonaen-18-yl)benzene-1,3-dicarbonitrile ?
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C26H14BN3O
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