You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 5-(2,6-dimethylphenyl)-2-(2,3,4,5-tetradeuteriobenzene-6-id-1-yl)pyridine;iridium;5-(2-methoxyphenyl)-2-phenylpyridine;5-phenyl-2-phenylpyridine .
user
C72H56Ir4N4O2-4
assistant