You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5-[6-(3-cyanocarbazol-9-yl)pyridin-2-yl]-[1]benzothiolo[3,2-c]carbazole-9-carbonitrile The above is the IUPAC name of a molecule. Write its molecular formula.
user
C37H19N5S
assistant