You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 1-N-phenyl-4-N-(4-phenylphenyl)-1-N-[4-[4-(N-[4-(4-phenyl-N-(3-tritiophenyl)anilino)phenyl]anilino)phenoxy]phenyl]-4-N-(3-tritiophenyl)benzene-1,4-diamine by IUPAC nomenclature, provide its molecular formula.
user
C72H54N4O
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