You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 1-[4-[4-[2-(3,4-dimethylphenyl)ethylamino]-7-hydroxy-6-propan-2-ylpyrrolo[3,4-d]pyrimidin-2-yl]piperazin-1-yl]ethanone by IUPAC nomenclature, provide its molecular formula.
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C25H34N6O2
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