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 (4E)-1-(5-chloro-2-hydroxyphenyl)-5-(3-ethoxy-4-hydroxyphenyl)-4-[hydroxy-(4-methyl-2,3-dihydro-1,4-benzoxazin-6-yl)methylidene]pyrrolidine-2,3-dione is given. What is its corresponding molecular formula?
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C28H25ClN2O7
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