You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule N-[2-(benzylamino)-2-oxoethyl]-3-(1,3-dioxo-3a,4,5,6,7,7a-hexahydroisoindol-2-yl)propanamide ?
user
C20H25N3O4
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