You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5-[4-[6-(9,9-dimethylfluoren-2-yl)-2-phenylpyrimidin-4-yl]naphthalen-1-yl]-[1]benzofuro[3,2-c]isoquinoline The above is the IUPAC name of a molecule. Write its molecular formula.
user
C50H33N3O
assistant