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-[4-(4-chloro-3-methylanilino)-6-methoxyquinazolin-7-yl]oxy-5-[2-(methylamino)ethoxy]hexanoic acid into molecular formula.
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C25H31ClN4O5
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