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 (2R,3R,4S)-2-ethoxy-3-(3-hydroxypropyl)-N,N-dimethyl-4-thiophen-3-yl-3,4-dihydro-2H-pyran-6-carboxamide .
user
C17H25NO4S
assistant