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-[4-amino-1-methyl-3-(2-methylpropyl)-2,6-dioxopyrimidin-5-yl]-2-oxoethyl] 7-chloro-3-methyl-1-benzofuran-2-carboxylate .
user
C21H22ClN3O6
assistant