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 (6R)-6-(4-methoxyphenyl)-2-[3-(2-methylphenyl)-1,2,4-oxadiazol-5-yl]-6,7-dihydro-4H-pyrazolo[5,1-c][1,4]oxazine .
user
C22H20N4O3
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