Using BrCc1ccccc1, Brc1ccc(I)cc1Cc1ccc2c(c1)NCCO2 to produce Brc1ccc(I)cc1Cc1ccc2c(c1)N(Cc1ccccc1)CCO2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.