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-[4-[[2-(cyclopropylmethyl)-3-oxo-1H-isoindol-5-yl]-methylamino]phenoxy]-3H-pyrido[3,4-d]pyrimidin-4-one .
user
C26H23N5O3
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