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 ethyl 2-[4-[[[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]amino]methyl]piperidin-1-yl]pyrimidine-5-carboxylate .
user
C19H30N4O4
assistant