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-[6-[(11-amino-1,3,5,10-tetraoxonaphtho[2,3-f]isoindol-4-yl)amino]hexyl]-2-methylprop-2-enamide is given. What is its corresponding molecular formula?
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C26H26N4O5
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