You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named N-[2-[[N'-[[3-(dimethylamino)phenyl]methyl]-N-ethylcarbamimidoyl]amino]ethyl]cyclopropanecarboxamide is given. What is its corresponding molecular formula?
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C18H29N5O
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