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-(2-cyano-3-dibenzofuran-2-yl-5-dibenzofuran-4-ylphenyl)benzene-1,3-dicarbonitrile;2-(4-cyano-3-dibenzofuran-2-yl-5-dibenzofuran-4-ylphenyl)benzene-1,3-dicarbonitrile;2-(3-cyanophenyl)-4-dibenzofuran-2-yl-6-dibenzofuran-4-ylbenzene-1,3-dicarbonitrile;6-[3-(2-cyanophenyl)-5-dibenzofuran-2-ylphenyl]dibenzofuran-2-carbonitrile;8-[3-(2-cyanophenyl)-5-dibenzofuran-4-ylphenyl]dibenzofuran-2-carbonitrile .
user
C193H97N13O10
assistant