You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as 4-(1,3-benzodioxol-5-ylmethyl)-N-[(6-oxo-1H-pyrimidin-4-yl)methyl]piperazine-1-carboxamide using the IUPAC nomenclature.
user
C18H21N5O4
assistant