You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2,3,4,5,6,7,8-heptadeuterio-N-(3-naphtho[1,2-b][1]benzofuran-7-ylphenyl)-N-(2,3,5,6-tetradeuterio-4-phenanthren-2-ylphenyl)naphthalen-1-amine is the IUPAC name of a molecule. Please give its molecular formula.
user
C52H33NO
assistant