You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-[3-naphthalen-2-yl-5-[4-phenyl-6-(3-pyridin-2-ylphenyl)pyrimidin-2-yl]phenyl]-[1]benzothiolo[3,2-b]pyridine The above is the IUPAC name of a molecule. Write its molecular formula.
user
C48H30N4S
assistant