You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[4-(2,1,3-benzothiadiazol-4-ylsulfonyl)piperazin-1-yl]-3-(4-ethoxy-3-methoxyphenyl)prop-2-en-1-one is the IUPAC name of a molecule. Please give its molecular formula.
user
C22H24N4O5S2
assistant