You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule N-(1,2-dihydroacenaphthylen-5-yl)-2-[(2-oxo-1,3-dihydrobenzimidazol-5-yl)sulfonylamino]benzamide into molecular formula.
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C26H20N4O4S
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