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 9-(3,5-dimethylphenyl)-1,7-dimethyl-3-[(4-methylphenyl)methyl]-6,7,8,9a,10,10a-hexahydro-4aH-purino[7,8-a]pyrimidine-2,4-dione into molecular formula.
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C26H33N5O2
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