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system
9-[4-(4,6-diphenylpyrimidin-2-yl)phenyl]-14-phenyl-9,14-diazapentacyclo[11.7.0.02,10.03,8.015,20]icosa-1(13),2(10),3,5,7,11,15,17,19-nonaene;5-[4-(4,6-diphenylpyrimidin-2-yl)phenyl]-7-phenylindolo[2,3-b]carbazole;9-[4-(4,6-diphenyl-1,3,5-triazin-2-yl)phenyl]-14-phenyl-9,14-diazapentacyclo[11.7.0.02,10.03,8.015,20]icosa-1(13),2(10),3,5,7,11,15,17,19-nonaene;10-[4-(4,6-diphenyl-1,3,5-triazin-2-yl)phenyl]-5-phenylindolo[3,2-b]indole;5-[4-(4,6-diphenyl-1,3,5-triazin-2-yl)phenyl]-12-phenylindolo[3,2-c]carbazole;12-[4-(4,6-diphenyl-1,3,5-triazin-2-yl)phenyl]-5-phenylindolo[3,2-c]carbazole The above is the IUPAC name of a molecule. Write its molecular formula.
user
C268H174N28
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