You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named N-[4-[5-tert-butyl-2-(3,5-ditert-butylphenyl)phenyl]phenyl]-6-carbazol-9-yl-N-(3,5-ditert-butylphenyl)pyren-1-amine by IUPAC nomenclature, provide its molecular formula.
user
C72H74N2
assistant