You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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3-methyl-N-[(4-methyl-1,3-thiazol-2-yl)methyl]-[1,2]thiazolo[5,4-d]pyrimidin-4-amine is the IUPAC name of a molecule. Please give its molecular formula.
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C11H11N5S2
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