Using CC(=O)[O-], Brc1ccc(CN(c2ccccc2)c2ccccc2)cc1 to produce O=Cc1ccc(N(Cc2ccc(Br)cc2)c2ccccc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.