You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
11-[3-[2-phenyl-6-(4-phenylphenyl)pyrimidin-4-yl]phenyl]-[1]benzothiolo[2,3-b]quinoline The above is the IUPAC name of a molecule. Write its molecular formula.
user
C43H27N3S
assistant