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 3-methyl-N-[3-(3-nitroanilino)-1-(4-nitrophenyl)-3-oxoprop-1-en-2-yl]benzamide is given. What is its corresponding molecular formula?
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C23H18N4O6
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