You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name N-(3-chloro-4-methylphenyl)-5-[4-(piperidine-1-carbonyl)pyrazolidin-3-yl]furan-2-sulfonamide into its molecular formula.
user
C20H25ClN4O4S
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