You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule [2-oxo-2-(3,4,5-trimethoxyanilino)ethyl] 2-(8-ethyl-2,4-dioxo-1,3-diazaspiro[4.5]decan-3-yl)acetate .
user
C23H31N3O8
assistant