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 1-ethyl-1-methyl-4-[13-(3-methyl-2H-imidazol-1-yl)tridecyl]-3,4-dihydro-2H-pyridin-1-ium .
user
C25H48N3+
assistant