Using CN(C)C(=O)C(C)(C)N1CCNCC1, Clc1nc(N2CCOCC2)c2sc(CBr)cc2n1 to produce CN(C)C(=O)C(C)(C)N1CCN(Cc2cc3nc(Cl)nc(N4CCOCC4)c3s2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.