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 (8E)-2-[2-(4-hydroxyphenyl)ethyl]-8-[(3-methoxy-1H-pyrrol-2-yl)methylidene]-3,6-dihydropyrrolo[3,2-e]benzimidazol-7-one is given. What is its corresponding molecular formula?
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C23H20N4O3
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