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system
Provide the molecular formula for the IUPAC named substance [4-[(3R,3aS,6aR)-5-benzyl-4,6-dioxo-2-phenyl-3a,6a-dihydro-3H-pyrrolo[3,4-d][1,2]oxazol-3-yl]phenyl] benzoate .
user
C31H24N2O5
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