Using Clc1nc(N2CCOCC2)c2sccc2n1, CS(=O)(=O)N1CCN(Cc2cc3nc(Cl)nc(N4CCOCC4)c3s2)CC1 to produce O=Cc1cc2nc(Cl)nc(N3CCOCC3)c2s1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.