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 8-benzyl-1-(1-methylpyrazol-4-yl)oxy-3,5,8,9-tetrahydrooxepino[4,5-f]isoindol-6-one is given. What is its corresponding molecular formula?
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C23H21N3O3
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