Using CS(C)(=O)=CC(=O)Nc1ccc(Cl)cc1, CCOC(=O)Cl to produce CCOC(=O)C(C(=O)Nc1ccc(Cl)cc1)=S(C)(C)=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.