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 3-[6-chloro-2-(1-chloroethyl)imidazo[4,5-b]pyridin-3-yl]thiane 1,1-dioxide .
user
C13H15Cl2N3O2S
assistant