You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 1-[4-[4-(3-chloro-4-fluoroanilino)-7-(2-methoxyethoxy)quinazolin-6-yl]oxypiperidin-1-yl]-2-methoxyethanone into its molecular formula.
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C25H28ClFN4O5
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