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'-(4-chlorophenyl)-N-[(3-hydroxy-2-benzofuran-1-yl)methylideneamino]-2-nitroethanimidamide is given. What is its corresponding molecular formula?
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C17H13ClN4O4
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