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 4-[(2S,6S)-2,6-dimethylmorpholin-4-yl]sulfonyl-N-[(4-fluorophenyl)methyl]benzamide using the IUPAC nomenclature.
user
C20H23FN2O4S
assistant