You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
6-phenyl-2-[2-phenyl-6-(4-phenylphenyl)pyrimidin-4-yl]-[1]benzofuro[3,2-c]quinoline is the IUPAC name of a molecule. Please give its molecular formula.
user
C43H27N3O
assistant