You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule [2-[(8-methyl-2,4-dioxo-1,3-diazaspiro[4.5]decan-3-yl)amino]-2-oxoethyl] 4-chloro-2-fluorobenzoate ?
user
C18H19ClFN3O5
assistant