Using CC(C)(C)OC(=O)NCCCCBr, CNCCNC(=O)c1nc(Cl)c(N)nc1N to produce CN(CCCCNC(=O)OC(C)(C)C)CCNC(=O)c1nc(Cl)c(N)nc1N, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.