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 N-[4-[(3aS,7aS)-1,3-dioxo-3a,4,5,6,7,7a-hexahydroisoindol-2-yl]-1,2,5-oxadiazol-3-yl]-2-phenylacetamide using the IUPAC nomenclature.
user
C18H18N4O4
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