You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule N-(9,9-dimethylfluoren-2-yl)-N-(2-phenylphenyl)-4-spiro[tetracyclo[13.4.0.02,7.08,13]nonadeca-1(19),2,4,6,8,10,12,15,17-nonaene-14,9'-xanthene]-4'-yldibenzofuran-1-amine;N,N-diphenyl-4-[5'-[4-(N-phenylanilino)phenyl]spiro[tetracyclo[13.4.0.02,7.08,13]nonadeca-1(19),2,4,6,8,10,12,15,17-nonaene-14,9'-thioxanthene]-4'-yl]aniline;N-(2,4-diphenylphenyl)-9,9-dimethyl-N-(4-spiro[tetracyclo[13.4.0.02,7.08,13]nonadeca-1(19),2,4,6,8,10,12,15,17-nonaene-14,9'-thioxanthene]-4'-ylphenyl)fluoren-2-amine;N-(4-phenylphenyl)-N-[4-(14-phenyl-14-tetracyclo[13.4.0.02,7.08,13]nonadeca-1(19),2,4,6,8,10,12,15,17-nonaenyl)phenyl]-9,9'-spirobi[fluorene]-2-amine ?
user
C275H187N5O2S2
assistant