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 6,7-dichloro-1,1-dioxo-N-(1-pyridin-2-ylethyl)-4H-1lambda6,2,4-benzothiadiazin-3-imine .
user
C14H12Cl2N4O2S
assistant