Using CCCCNS(=O)(=O)Cc1ccc(Cl)cc1, CCOC(=O)C(=O)[O-] to produce CCCCN1C(=O)C(O)=C(c2ccc(Cl)cc2)S1(=O)=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.