Using CN(C)S(=O)(=O)CCCN, O=Cc1cc2nc(Cl)nc(N3CCOCC3)c2s1 to produce CN(C)S(=O)(=O)CCCNCc1cc2nc(Cl)nc(N3CCOCC3)c2s1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.