Using COC(=O)COc1ccc(CCCBr)cc1, CNCCNC(=O)c1nc(Cl)c(N)nc1N to produce COC(=O)COc1ccc(CCCN(C)CCNC(=O)c2nc(Cl)c(N)nc2N)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.