Using CC(OC(=O)Nc1ccc(-c2c(C#N)c3ccc(OCCCl)cc3n2C2CCC2)cc1)C1CC1, CS(=O)[O-] to produce CC(OC(=O)Nc1ccc(-c2c(C#N)c3ccc(OCCS(C)(=O)=O)cc3n2C2CCC2)cc1)C1CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.