You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named N,1-dimethyl-2-oxo-N-[1-([1,2,4]triazolo[4,3-b]pyridazin-6-yl)azetidin-3-yl]pyridine-3-carboxamide by IUPAC nomenclature, provide its molecular formula.
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C16H17N7O2
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