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 N-[4-[(8-chloro-2,5-dioxo-2'-pyridin-2-ylspiro[1H-1,4-benzodiazepine-3,1'-cyclopropane]-4-yl)methyl]phenyl]-2-hydroxyacetamide is given. What is its corresponding molecular formula?
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C25H21ClN4O4
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