You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[4-[4-[(4-phenylnaphthalen-1-yl)-[4-(3-phenylphenyl)phenyl]methyl]phenyl]phenyl]dibenzofuran is the IUPAC name of a molecule. Please give its molecular formula.
user
C59H40O
assistant