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 3-[2-(2,4-dimethoxyphenyl)-2-oxoethyl]-8-methyl-1,3-diazaspiro[4.5]decane-2,4-dione .
user
C19H24N2O5
assistant