You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 3-[4-[3-([1]benzofuro[3,2-c]carbazol-5-yl)phenyl]phenyl]pyridine-4-carbonitrile by IUPAC nomenclature, provide its molecular formula.
user
C36H21N3O
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