You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Can you give the molecular formula of the molecule (E)-N-[(6-chloro-3,4-dihydro-2H-1,5-benzodioxepin-8-yl)methyl]-3-(3-nitrophenyl)prop-2-enamide ?
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C19H17ClN2O5
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