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Name the molecular formula for the molecule established as 14-[4-(2,5,5-triphenyl-[1]benzosilolo[3,2-d]pyrimidin-4-yl)phenyl]-9-oxa-14-azapentacyclo[11.7.0.02,10.03,8.015,20]icosa-1(13),2(10),3,5,7,11,15,17,19-nonaene using the IUPAC nomenclature.
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C52H33N3OSi
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