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 7-[2-[2-[2-(2,3-dihydro-1H-inden-2-yl)acetyl]pyrazolidin-1-yl]-2-oxoethyl]-1,3-dimethylpurine-2,6-dione into molecular formula.
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C23H26N6O4
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