Using CO[C@]12CN(Cc3ccccc3)C[C@H]1C(=O)NC2=O to produce O=C1NC(=O)[C@@]2(O)CN(Cc3ccccc3)C[C@@H]12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.