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-(5-chloropyridin-2-yl)-5-imidazol-1-yl-2-[[4-(2-sulfamoylphenyl)benzoyl]amino]benzamide into molecular formula.
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C28H21ClN6O4S
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