You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule N-[4-(2-phenyl-[1]benzofuro[3,2-f][1,3]benzoxazol-10-yl)phenyl]-N-(3-phenylphenyl)phenanthren-2-amine .
user
C51H32N2O2
assistant