You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the compound with this IUPAC name 10-(9,9-dimethyl-10-phenylacridin-3-yl)-7-[4-(4-naphthalen-1-ylphenyl)quinazolin-2-yl]benzo[c]carbazole ?
user
C61H42N4
assistant