Using COC(=O)c1cc(Cl)ccc1N(C)S(=O)(=O)c1ccc(C)cc1 to produce Cc1ccc(S(=O)(=O)N(C)c2ccc(Cl)cc2C(=O)O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.