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 methyl 3-[[2-[4-[4-(N'-butylcarbamimidoyl)phenyl]-2-oxopyridin-1-yl]acetyl]amino]propanoate;hydrochloride ?
user
C22H29ClN4O4
assistant