You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 6-[1-[2-(1-benzofuran-4-yloxy)ethyl]piperidin-4-yl]oxy-4-benzyl-1,4-oxazin-3-one into molecular formula.
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C26H28N2O5
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