You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 2-(1-acetamido-2-amino-1-methoxy-2-oxoethyl)-5-(carbamoyloxymethyl)-3,6-dihydro-2H-1,3-thiazine-4-carboxylic acid by IUPAC nomenclature, provide its molecular formula.
user
C12H18N4O7S
assistant