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-oxo-2-(3-oxo-4H-1,4-benzoxazin-6-yl)ethyl] 4-(3,4-dihydro-1H-isoquinolin-2-ylsulfonyl)benzoate is given. What is its corresponding molecular formula?
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C26H22N2O7S
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