You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named N-(2,1,3-benzothiadiazol-5-ylmethyl)-N-methyl-2-[(2R)-3-oxo-1-propan-2-ylpiperazin-2-yl]acetamide by IUPAC nomenclature, provide its molecular formula.
user
C17H23N5O2S
assistant