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What is the molecular formula of the molecule identified by 7-N,17-N-di(dibenzofuran-2-yl)-7-N,17-N-diphenyl-12-oxapentacyclo[11.8.0.02,11.04,9.015,20]henicosa-1(13),2(11),3,5,7,9,14,16,18,20-decaene-7,17-diamine ?
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C56H34N2O3
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