You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 2-(2-ethoxyethyl)-6-(4-ethoxyphenyl)-4-methyl-7-phenyl-4a,9a-dihydropurino[7,8-a]imidazole-1,3-dione into its molecular formula.
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C26H29N5O4
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