You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 2-phenyl-6-[4-[2-phenyl-6-(4-phenylphenyl)pyrimidin-4-yl]phenyl]furo[3,2-c]carbazole by IUPAC nomenclature, provide its molecular formula.
user
C48H31N3O
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