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-[(5S,6S)-6-hydroxy-1-oxa-9-azaspiro[4.5]decan-9-yl]-N-(3-morpholin-4-ylsulfonylphenyl)acetamide using the IUPAC nomenclature.
user
C20H29N3O6S
assistant