You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[5-(1,3-benzodioxol-5-yl)-1,3,4-thiadiazol-2-yl]-1-(2,5-dichlorophenyl)sulfonylpyrrolidine-2-carboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C20H16Cl2N4O5S2
assistant