You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-(3,5-difluorophenyl)-3,5-bis[2,7-di(pyrimidin-2-yl)carbazol-9-yl]benzonitrile;4-(3,5-difluorophenyl)-3,5-bis[3,6-di(pyrimidin-2-yl)carbazol-9-yl]benzonitrile;4-(3,5-difluorophenyl)-3,5-bis[2-(6-phenylpyridin-2-yl)carbazol-9-yl]benzonitrile;4-(3,5-difluorophenyl)-3,5-bis(2-pyrimidin-2-ylcarbazol-9-yl)benzonitrile is the IUPAC name of a molecule. Please give its molecular formula.
user
C210H118F8N34
assistant