You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule 5-dibenzofuran-2-yl-10-(10-naphthalen-2-ylanthracen-9-yl)naphtho[2,1-b][1]benzofuran;2-[10-(10-naphthalen-2-ylanthracen-9-yl)naphtho[2,1-b][1]benzofuran-5-yl]pyridine;10-(10-naphthalen-2-ylanthracen-9-yl)-5-(4-phenylphenyl)naphtho[2,1-b][1]benzofuran;5-naphthalen-2-yl-10-(10-naphthalen-2-ylanthracen-9-yl)naphtho[2,1-b][1]benzofuran ?
user
C199H119NO5
assistant