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 [2-(1-amino-2-oxoethyl)-4-carbonocyanidoyl-3-methyl-2,6-dihydro-1,3-thiazin-5-yl]methyl acetate .
user
C12H15N3O4S
assistant