You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 4-(diethylsulfamoyl)-N-[1-(furan-2-ylmethylamino)-1-oxopropan-2-yl]-1-methylpyrrole-2-carboxamide into molecular formula.
user
C18H26N4O5S
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