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Under IUPAC nomenclature, a molecule named 5-[4-(9-phenylcarbazol-2-yl)phenyl]-12-(4-phenylphenyl)indolo[3,2-c]carbazole;12-phenyl-5-[4-(9-phenylcarbazol-2-yl)phenyl]indolo[3,2-c]carbazole;12-phenyl-5-[4-(9-phenylcarbazol-3-yl)phenyl]indolo[3,2-c]carbazole;12-phenyl-5-[4-(9-phenylcarbazol-4-yl)phenyl]indolo[3,2-c]carbazole is given. What is its corresponding molecular formula?
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C198H128N12
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