You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named N-(3,4-dimethylphenyl)-2-[7-(3-methoxyphenyl)-6-methyl-2-oxo-1,3-dihydroimidazo[1,2-b]pyrazol-3-yl]acetamide by IUPAC nomenclature, provide its molecular formula.
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C23H24N4O3
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