Using CC(C)N(CCCCO)S(=O)(=O)c1ccc(Cl)c(Cl)c1 to produce CC(C)N(CCCC=O)S(=O)(=O)c1ccc(Cl)c(Cl)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.