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-methoxyethyl)-N'-methyl-1,3,3a,4,5,6,7,7a-octahydro-4,7-epoxyisoindole-2-carboximidamide is given. What is its corresponding molecular formula?
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C13H23N3O2
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