You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule 1-ethyl-2-[(3-methyl-1-benzofuran-2-yl)methyl]-3-[2-morpholin-4-yl-2-(oxolan-3-yl)ethyl]guanidine into molecular formula.
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C23H34N4O3
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