Using CCOC(=O)CNC, COC(=O)c1ccc(CC(C=O)CCBr)cc1 to produce CCOC(=O)CN(C)CCC(C=O)Cc1ccc(C(=O)OC)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.