You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named N'-[2-(benzylsulfamoyl)ethyl]-N-ethyl-3-imidazol-1-yl-4-methylpiperidine-1-carboximidamide is given. What is its corresponding molecular formula?
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C21H32N6O2S
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