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system
Name the molecular formula for the molecule established as 9-(4-naphthalen-2-ylpyrido[3,2-d]pyrimidin-2-yl)-24-thia-9-azahexacyclo[15.7.0.02,10.03,8.011,16.018,23]tetracosa-1(17),2(10),3,5,7,11,13,15,18,20,22-undecaene using the IUPAC nomenclature.
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C39H22N4S
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