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 2,4-dichloro-N-[4-[C-methyl-N-[[2-(4-nitrophenyl)acetyl]amino]carbonimidoyl]phenyl]benzamide is given. What is its corresponding molecular formula?
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C23H18Cl2N4O4
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