You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule N-[(2,4-dimethoxyphenyl)methyl]-8-methyl-7-(1,3-oxazol-2-yl)-[1,2,4]triazolo[1,5-c]pyrimidin-5-amine into molecular formula.
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C18H18N6O3
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