You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 2-methyl-N-[2-[[N'-methyl-N-[1-(2-propan-2-yloxyethyl)piperidin-4-yl]carbamimidoyl]amino]ethyl]propanamide;hydroiodide into molecular formula.
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C18H38IN5O2
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