You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 12-[4-(9,9-dimethylfluoren-3-yl)-6-phenyl-1,3,5-triazin-2-yl]-11-(2,5-diphenylphenyl)indolo[2,3-a]carbazole into its molecular formula.
user
C60H41N5
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