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What is the molecular formula of the compound with this IUPAC name (2R,12S)-12-(4-methoxyphenyl)-10,20-diazapentacyclo[11.7.0.02,10.03,8.014,19]icosa-1(13),3,5,7,14,16,18-heptaen-9-one ?
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C25H20N2O2
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