Using CCOC(=O)Cc1cc(C)c(C(=O)c2ccc(Cl)cc2)n1C, CS(C)=O to produce CCOC(=O)C(C)c1cc(C)c(C(=O)c2ccc(Cl)cc2)n1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.