You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 12-(4-dibenzofuran-1-yl-6-dibenzothiophen-2-yl-1,3,5-triazin-2-yl)-12-azapentacyclo[11.7.1.02,11.05,10.017,21]henicosa-1(20),2(11),3,5,7,9,13,15,17(21),18-decaene .
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C47H26N4OS
assistant