You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
6-bromo-N-[2-(oxolan-2-yl)ethyl]-[1,2,4]triazolo[1,5-a]pyridine-8-carboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
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C13H15BrN4O2
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