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,3S)-2-methyl-N-(3-methyl-4,5,6,7-tetrahydro-1-benzothiophen-2-yl)morpholine-3-carboxamide .
user
C15H22N2O2S
assistant