You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as [3,4-dibutyl-2,5-bis(4-butyl-3,5-diethylphenyl)pyrrol-1-ium-1-ylidene]azanide;nickel(2+);octadecane using the IUPAC nomenclature.
user
C76H134N2Ni
assistant