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 hexadecyl-[[3-[[hexadecyl(dimethyl)azaniumyl]methyl]-5-(pyridin-1-ium-1-ylmethyl)phenyl]methyl]-dimethylazanium;tribromide .
user
C50H92Br3N3
assistant