Using O=C1NC2(c3ccc(Br)cc3)CC(C2)O1, CON(C)C(=O)Cc1ccccc1 to produce O=C1NC2(c3ccc(C(=O)Cc4ccccc4)cc3)CC(C2)O1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.