You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named N-(1,3-benzodioxol-5-ylmethyl)-2-[5-(diethylsulfamoyl)-2-oxopyridin-1-yl]-N-methylacetamide is given. What is its corresponding molecular formula?
user
C20H25N3O6S
assistant