You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule N-tert-butyl-2-[[N'-[(3-ethoxy-4-methoxyphenyl)methyl]-N-ethylcarbamimidoyl]amino]acetamide;hydroiodide into molecular formula.
user
C19H33IN4O3
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