You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2S)-2-[[3-(methoxymethyl)-1,2,4-oxadiazol-5-yl]methyl]-4-(5-methylpyrazolo[1,5-a]pyrimidin-7-yl)morpholine The above is the IUPAC name of a molecule. Write its molecular formula.
user
C16H20N6O3
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