You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 3,4-dimethylpent-3-enylidene-methyl-[3-(2,3,4-trimethyl-2,5-dihydropyridin-1-ium-1-yl)propyl]azanium .
user
C19H34N2+2
assistant