You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-[9-[3-[3-(4,6-diphenyl-1,3,5-triazin-2-yl)phenyl]phenyl]carbazol-2-yl]-10-phenylpyrazolo[4,3-a]carbazole is the IUPAC name of a molecule. Please give its molecular formula.
user
C58H37N7
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