You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(4-benzyl-6-phenylpyridin-3-yl)-trimethylgermane;iridium;2-methyl-8-[1-[4-naphthalen-2-yl-2,6-di(propan-2-yl)phenyl]benzimidazol-2-yl]-7H-[1]benzofuro[2,3-b]pyridin-7-ide is the IUPAC name of a molecule. Please give its molecular formula.
user
C62H56GeIrN4O-2
assistant