You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named 2-(5-chloro-1-benzofuran-2-yl)-3-[[2-(2,2-dimethylpropoxy)-5-nitrophenyl]methylideneamino]quinazolin-4-one is given. What is its corresponding molecular formula?
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C28H23ClN4O5
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