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What is the molecular formula of the molecule 26-(3-naphthalen-2-ylquinoxalin-2-yl)-25-oxa-26-azaheptacyclo[20.2.1.14,7.05,24.06,11.012,17.018,23]hexacosa-1(24),2,4,6(11),7,9,12,14,16,18(23),19,21-dodecaene ?
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C42H23N3O
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