You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance N-[[4-[(1,1-dioxo-1,4-thiazinan-4-yl)methyl]phenyl]methyl]-6-methylimidazo[2,1-b][1,3,4]thiadiazol-2-amine .
user
C17H21N5O2S2
assistant