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-[(E)-(3-chloro-4-ethoxyphenyl)methylideneamino]-2-(2-chlorophenyl)-3H-benzimidazole-5-carboxamide is given. What is its corresponding molecular formula?
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C23H18Cl2N4O2
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