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 N-(3-chloro-2-methylphenyl)-8-ethylsulfonyl-3-methyl-2-oxo-1-oxa-8-azaspiro[4.5]dec-3-ene-4-carboxamide .
user
C19H23ClN2O5S
assistant