You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
9-[2,6-bis(4-carbazol-9-ylphenyl)-4-(4,6-diphenylpyrimidin-2-yl)phenyl]-3,6-bis(4-methylphenyl)carbazole;9-[2,6-bis(4-carbazol-9-ylphenyl)-4-(4,6-diphenylpyrimidin-2-yl)phenyl]-3-(2,4-dimethylphenyl)carbazole;9-[2,6-bis(4-carbazol-9-ylphenyl)-4-(4,6-diphenylpyrimidin-2-yl)phenyl]-3-(4-methylphenyl)carbazole is the IUPAC name of a molecule. Please give its molecular formula.
user
C239H161N15
assistant