Using CC1(C)CC(=O)Nc2ccc(Br)cc21, COc1ccc(CCl)cc1 to produce COc1ccc(CN2C(=O)CC(C)(C)c3cc(Br)ccc32)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.