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 4-(4-ethylpiperazin-1-yl)-N,N,2-trimethyl-7,8-dihydro-5H-pyrido[4,3-d]pyrimidine-6-carboxamide into its molecular formula.
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C17H28N6O
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