You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 3-[[N'-[(3,4-dimethoxyphenyl)methyl]carbamimidoyl]amino]-N-(5-methylpyridin-2-yl)propanamide;hydroiodide into its molecular formula.
user
C19H26IN5O3
assistant