You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 2-[9-[3-(3-benzyl-2H-benzimidazol-2-id-1-yl)-5-tert-butylbenzene-2-id-1-yl]fluoren-9-yl]-6-tert-butyl-9-(4-tert-butylpyridin-2-yl)-1H-carbazol-1-ide;platinum by IUPAC nomenclature, provide its molecular formula.
user
C62H57N4Pt-3
assistant