You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 3-[(4-chlorophenyl)methylsulfamoyl]-N-[1-(dimethylamino)-1-oxopropan-2-yl]-4-methoxybenzamide into its molecular formula.
user
C20H24ClN3O5S
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