You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-[4-(2,4-dichlorophenyl)sulfonothioylpiperazin-1-yl]-N-hydroxy-3-nitrobenzamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C17H16Cl2N4O5S2
assistant