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 5-bromo-2-(chloromethyl)-6-fluoro-1-[(1-methylimidazol-2-yl)methyl]benzimidazole is given. What is its corresponding molecular formula?
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C13H11BrClFN4
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