You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule N-[2-[1-[2-(4-amino-3-butylphenyl)ethyl]piperidin-1-ium-1-yl]ethyl]-N-propan-2-ylprop-2-enamide ?
user
C25H42N3O+
assistant