You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 1,2,3,4,5,6,8-heptadeuterio-9-(1,3,4,5,6,7,8-heptadeuterionaphthalen-2-yl)-7-(2,3,4,5,6,7,8-heptadeuterionaphthalen-1-yl)-10-(3-naphthalen-1-ylphenyl)anthracene by IUPAC nomenclature, provide its molecular formula.
user
C50H32
assistant