You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 2-benzo[c]carbazol-7-yl-5-(9-carbazol-9-yl-5-phenylindolo[3,2-c]carbazol-12-yl)benzene-1,4-dicarbonitrile into molecular formula.
user
C60H34N6
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