You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 2-[4-[3-tert-butyl-5-[4-(4-tert-butylphenyl)pyridin-2-yl]phenyl]-1-(2-tert-butyl-4-phenylphenyl)benzimidazol-2-yl]phenol by IUPAC nomenclature, provide its molecular formula.
user
C54H53N3O
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