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system
Name the molecular formula for the molecule established as 12,12-diphenyl-9,19-diazapentacyclo[9.6.2.02,7.08,19.014,18]nonadeca-1(17),2,4,6,8,10,14(18),15-octaene using the IUPAC nomenclature.
user
C29H20N2
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