You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
7-[1,2,3,4,5,6,7,8-octadeuterio-10-(4-phenylnaphthalen-2-yl)anthracen-9-yl]naphtho[1,2-b][1]benzofuran is the IUPAC name of a molecule. Please give its molecular formula.
user
C46H28O
assistant