You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as [2-(1,3-benzodioxol-5-yl)-2-oxoethyl] 3,4,6-trimethylthieno[2,3-b]pyridine-2-carboxylate using the IUPAC nomenclature.
user
C20H17NO5S
assistant