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 N-[[(5R,7S)-2-pyrimidin-2-yl-6-oxa-2-azaspiro[4.5]decan-7-yl]methyl]methanesulfonamide using the IUPAC nomenclature.
user
C14H22N4O3S
assistant