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 2-[2,4-dioxo-3-(pyridin-2-ylmethyl)pyrido[3,2-d]pyrimidin-1-yl]-N-methyl-N-phenylacetamide .
user
C22H19N5O3
assistant