Using CON, CS(=O)(=O)c1ccc(C(CC2CCC(=O)CC2)C(=O)Nc2cnccn2)cc1Cl to produce CON=C1CCC(CC(C(=O)Nc2cnccn2)c2ccc(S(C)(=O)=O)c(Cl)c2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.