You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule (2-amino-4-phenylpyrimidin-5-yl)-[(2S)-2-(3-propan-2-yl-1,2,4-oxadiazol-5-yl)pyrrolidin-1-yl]methanone .
user
C20H22N6O2
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