You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule 1-[2-(2,4-dichlorophenoxy)ethyl]-3-[2-(2,4-dichlorophenyl)-2-[(2,4-dichlorophenyl)methoxy]ethyl]imidazol-3-ium;bromide into molecular formula.
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C26H21BrCl6N2O2
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