You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named methyl 2-[6-(aminomethyl)-5,7-dimethyl-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl]acetate by IUPAC nomenclature, provide its molecular formula.
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C11H15N5O2
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