You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 2-[8-(4-ethoxyphenyl)-3,4-dioxo-6,7-dihydroimidazo[2,1-c][1,2,4]triazin-2-yl]-N-(2-methoxyphenyl)acetamide by IUPAC nomenclature, provide its molecular formula.
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C22H23N5O5
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