You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 2-[2-[3-(3-tert-butyl-2H-benzimidazol-2-ylium-1-yl)benzene-2-id-1-yl]propan-2-yl]-9-[4-(2-propan-2-ylphenyl)pyridin-2-yl]-1H-carbazol-1-ide;platinum by IUPAC nomenclature, provide its molecular formula.
user
C46H43N4Pt-
assistant