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 1,2,3,4,5,6,8,9,11-nonadeuterio-10-[1,2,3,4,5,6,7,8-octadeuterio-10-[2,3,4,6-tetradeuterio-5-[1,2,4,5,6,7,8,9-octadeuterio-9-(trideuteriomethyl)fluoren-3-yl]phenyl]anthracen-9-yl]naphtho[2,1-b][1]benzofuran .
user
C50H32O
assistant