You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
methyl 1-oxo-5-[3-(trifluoromethyl)phenyl]-2H-1,2,6-thiadiazine-3-carboxylate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C12H9F3N2O3S
assistant