You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 4-carbazol-9-yl-9-dibenzofuran-2-yl-2-(2,5-diphenylphenyl)-7-(2,6-diphenylphenyl)carbazole into its molecular formula.
user
C72H46N2O
assistant