You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 12-[4-(4-naphthalen-2-yl-6-phenyl-1,3,5-triazin-2-yl)dibenzothiophen-2-yl]-12-azapentacyclo[11.8.0.02,11.05,10.014,19]henicosa-1(13),2(11),3,5,7,9,14,16,18,20-decaene by IUPAC nomenclature, provide its molecular formula.
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C51H30N4S
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