You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 2-benzo[b]carbazol-5-yl-8-dibenzofuran-4-yl-4-phenyl-[1]benzofuro[3,2-d]pyrimidine;2-benzo[b]carbazol-5-yl-7-dibenzofuran-4-yl-4-phenyl-[1]benzothiolo[3,2-d]pyrimidine;5-(7-dibenzofuran-3-yl-5,5-dimethyl-4-phenylindeno[1,2-d]pyrimidin-2-yl)benzo[b]carbazole .
user
C135H81N9O4S
assistant