Using CS(=O)(=O)OC1CCN(c2ccncn2)CC1, COC(=O)c1cc(Cl)cc(O)c1C to produce COC(=O)c1cc(Cl)cc(OC2CCN(c3ccncn3)CC2)c1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.