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 diethyl 2-[(5-chloro-2-methoxybenzoyl)amino]-5,7-dihydro-4H-thieno[2,3-c]pyridine-3,6-dicarboxylate .
user
C21H23ClN2O6S
assistant