Using BrCc1ccccc1, COC(=O)C1=Cc2cc(Br)ccc2NCC1 to produce COC(=O)C1=Cc2cc(Br)ccc2N(Cc2ccccc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.