You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named 4-[5,16-bis(2-methylphenyl)-9,20-dioxapentacyclo[11.7.0.02,10.03,8.014,19]icosa-1,3(8),4,6,10,12,14(19),15,17-nonaen-11-yl]-2-phenylpyridine;4,5-dimethyl-2-(4-methylbenzene-6-id-1-yl)pyridine;iridium is given. What is its corresponding molecular formula?
user
C57H42IrN2O2-2
assistant