You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-butan-2-yl-3-[[N-[2-(3-methoxyphenyl)-2-pyrrolidin-1-ylethyl]-N'-methylcarbamimidoyl]amino]propanamide;hydroiodide is the IUPAC name of a molecule. Please give its molecular formula.
user
C22H38IN5O2
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