Using CCOC(=O)Cn1c(C)cc(Cc2ccccc2S(=O)(=O)c2ccccc2)c1C, CC(=O)Cl to produce CCOC(=O)Cn1c(C)c(Cc2ccccc2S(=O)(=O)c2ccccc2)c(C(C)=O)c1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.