Using O=C(Cl)c1ccc(NCCCCCCCCCCCCCCCCBr)cc1, C1CCNCC1 to produce O=C(c1ccc(NCCCCCCCCCCCCCCCCBr)cc1)N1CCCCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.