You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Translate the chemical IUPAC name 3-cyclopropyl-N-(4-ethoxyphenyl)-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazole-6-carboxamide into its molecular formula.
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C15H15N5O2S
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