You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5-(4-naphthalen-2-yl-6-phenyl-1,3,5-triazin-2-yl)-2-phenyl-[1]benzofuro[3,2-f][1,3]benzothiazole is the IUPAC name of a molecule. Please give its molecular formula.
user
C38H22N4OS
assistant