You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-N,3-N,5-N,5-N-tetraethyl-2,6-dimethyl-1,1-dioxo-4-propan-2-yl-1,4-thiazine-3,5-diamine The above is the IUPAC name of a molecule. Write its molecular formula.
user
C17H33N3O2S
assistant