You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 3-(2-hydroxy-4,6-dimethylphenyl)-4-(4-hydroxy-3-methoxyphenyl)-5-(pyridin-3-ylmethyl)-1,4-dihydropyrrolo[3,4-c]pyrazol-6-one by IUPAC nomenclature, provide its molecular formula.
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C26H24N4O4
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