You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[N-(benzenesulfonyl)-4-chloro-3-(trifluoromethyl)anilino]-N-[(Z)-[5-(2,4-dichlorophenyl)furan-2-yl]methylideneamino]acetamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C26H17Cl3F3N3O4S
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