You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 1-[6-[[5-acetyl-2-[4-(2-methoxyethoxy)anilino]pyrimidin-4-yl]amino]-2,3-dihydro-1,4-benzoxazin-4-yl]prop-2-en-1-one into its molecular formula.
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C26H27N5O5
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