Using O=c1[nH]c2ccc(CCBr)cc2o1, COc1ccccc1N1CCNCC1 to produce COc1ccccc1N1CCN(CCc2ccc3[nH]c(=O)oc3c2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.