You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Translate the chemical IUPAC name 3-[(5-chloro-2,3-dihydro-1,4-benzodioxin-7-yl)methyl]-1-methyl-1-(pyridin-3-ylmethyl)urea into its molecular formula.
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C17H18ClN3O3
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