You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name N-(3,4-diethoxyphenyl)-2-(5H-[1,2,4]triazolo[4,3-b][1,2,4]triazol-3-ylsulfanyl)acetamide into its molecular formula.
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C15H18N6O3S
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