You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 10-dibenzothiophen-2-yl-3'-methylspiro[1-azapentacyclo[10.7.1.02,7.08,20.014,19]icosa-2,4,6,8(20),9,11,14,16,18-nonaene-13,9'-3,4-dihydrofluorene] into its molecular formula.
user
C44H29NS
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