You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Translate the chemical IUPAC name [1-(5-chloro-1-methyl-6-oxopyridazin-4-yl)pyrrolidin-3-yl]-[4-(cyclopentylsulfamoylamino)cyclohexyl]carbamic acid into its molecular formula.
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C21H33ClN6O5S
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