You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as [(2R)-2-(1,2,4-oxadiazol-3-yl)azepan-1-yl]-[3-[(3R)-oxolan-3-yl]phenyl]methanone using the IUPAC nomenclature.
user
C19H23N3O3
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