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-[[4-[N-[1-[3-hydroxy-4-(2-methylpropyl)phenyl]ethylidene]-N'-methylcarbamimidoyl]phenyl]methyl]-4-(pyridin-4-ylmethyl)piperidine-4-carboxylic acid .
user
C33H40N4O3
assistant