Using CC(=O)N1CC(=O)NC(Cc2cccc(Oc3ccccc3)c2)C1=O to produce O=C1CNC(=O)C(Cc2cccc(Oc3ccccc3)c2)N1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.