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-[(3-cyano-5,6-dihydro-4H-cyclopenta[b]thiophen-2-yl)amino]-2-oxoethyl] 4-(hydroxymethyl)benzoate using the IUPAC nomenclature.
user
C18H16N2O4S
assistant