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 N-[2-(5-chloro-2,3-dihydro-1,4-benzodioxin-7-yl)ethyl]-N'-methyl-6-azaspiro[3.4]octane-6-carboximidamide into molecular formula.
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C19H26ClN3O2
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