You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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3-methyl-N-(2-methyl-2,3-dihydro-1-benzofuran-5-yl)-[1,2]oxazolo[5,4-d]pyrimidin-4-amine is the IUPAC name of a molecule. Please give its molecular formula.
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C15H14N4O2
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