You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[(2R)-1-oxo-1-[3-(trifluoromethyl)anilino]propan-2-yl] 2,2-dioxo-3,4-dihydropyrido[2,1-c][1,2,4]thiadiazine-7-carboxylate is the IUPAC name of a molecule. Please give its molecular formula.
user
C18H16F3N3O5S
assistant