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-[[(1S)-1-(1-benzofuran-2-yl)ethyl]amino]-2-oxoethyl] 2-thiophen-2-ylacetate using the IUPAC nomenclature.
user
C18H17NO4S
assistant