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-(2,3-dihydro-1H-inden-1-yl)-3,5,7,8-tetrahydropyrano[4,3-d]pyrimidin-4-one .
user
C16H16N2O2
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