Using O=C1Nc2cc(Cl)ccc2C1(Br)Cc1cccc(Cl)c1, CN(C)c1ccccc1 to produce CN(C)c1ccc(C2(Cc3cccc(Cl)c3)C(=O)Nc3cc(Cl)ccc32)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.