You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
9-(9-dibenzothiophen-2-yl-6-phenyldibenzofuran-4-yl)-3-phenylcarbazole;9-(9-dibenzothiophen-3-yl-6-phenyldibenzofuran-4-yl)-3-phenylcarbazole;9-(9-dibenzothiophen-4-yl-6-phenyldibenzofuran-4-yl)-3-phenylcarbazole is the IUPAC name of a molecule. Please give its molecular formula.
user
C144H87N3O3S3
assistant