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 ethyl 5-[2-[2-[(5-bromo-2-hydroxyphenyl)methylidene]hydrazinyl]-2-oxoethoxy]-1,2-dimethylindole-3-carboxylate into molecular formula.
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C22H22BrN3O5
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