Using CCOC(=O)c1cccc(NC(=O)OCC(Cl)(Cl)Cl)c1, COS(=O)(=O)OC to produce CCOC(=O)c1cccc(N(C)C(=O)OCC(Cl)(Cl)Cl)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.