You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
9-[4,6-bis(3,6-dimethylcarbazol-9-yl)-1,3,5-triazin-2-yl]-3,6-dimethylcarbazole The above is the IUPAC name of a molecule. Write its molecular formula.
user
C45H36N6
assistant