Using CCOC(=O)c1nn(-c2ccccc2Cl)c(-c2ccc(Cl)cc2)c1CBr, CC(C)N to produce CCOC(=O)c1nn(-c2ccccc2Cl)c(-c2ccc(Cl)cc2)c1CNC(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.