You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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N-[(Z)-[2,5-dimethyl-1-(4-methylphenyl)pyrrol-3-yl]methylideneamino]-4-[methyl(methylsulfonyl)amino]benzamide is the IUPAC name of a molecule. Please give its molecular formula.
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C23H26N4O3S
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