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 7-(5-cyclopropyl-1,2-oxazole-3-carbonyl)-2-pyridin-2-yl-3,5,6,8-tetrahydropyrido[3,4-d]pyrimidin-4-one .
user
C19H17N5O3
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