You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[3-[4-tert-butyl-3-(3,5-diphenylphenyl)-2H-imidazol-2-id-1-yl]-5-phenylbenzene-2-id-1-yl]oxy-9-pyridin-2-yl-1H-carbazol-1-ide;platinum The above is the IUPAC name of a molecule. Write its molecular formula.
user
C54H41N4OPt-3
assistant