You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 10-[3-[3-(5,5-dipropylbenzo[b][1,8]naphthyridin-10-yl)phenoxy]phenyl]-5,5-dipropylbenzo[b][1,8]naphthyridine into its molecular formula.
user
C48H50N4O
assistant