Using CC(=O)C1(c2ccccc2)CCNCC1, CN1C(=O)CCc2cc(OCCBr)ccc21 to produce CC(=O)C1(c2ccccc2)CCN(CCOc2ccc3c(c2)CCC(=O)N3C)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.