You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-dibenzothiophen-4-yl-6-[4-[6-phenyl-2-(4-phenylphenyl)pyrimidin-4-yl]phenyl]-[1]benzofuro[3,2-c]quinoline The above is the IUPAC name of a molecule. Write its molecular formula.
user
C55H33N3OS
assistant