You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule 3-[5-[2-[3,5-bis[2-(6-phenylpyridin-3-yl)phenyl]phenyl]phenyl]-4-(4-phenylphenyl)pyridin-2-yl]-[1]benzofuro[2,3-b]pyridine ?
user
C74H48N4O
assistant