You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance N-(2,3-dihydro-1,4-benzodioxin-6-yl)-2-[(4-methoxyphenyl)methyl]-6-oxo-1H-pyrimidine-4-carboxamide .
user
C21H19N3O5
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