You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 7-(3,4-diphenylphenyl)-2,6-dimethyl-3-naphtho[1,2-b][1]benzofuran-8-ylimidazo[4,5-f]benzimidazole .
user
C44H30N4O
assistant