You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named 4-(furan-2-ylmethylsulfamoyl)-N-prop-2-enyl-N-(thiophen-2-ylmethyl)benzamide is given. What is its corresponding molecular formula?
user
C20H20N2O4S2
assistant