Using CC(=O)N[C@@H](CS(=O)(=O)c1ccc(Sc2ccccc2)cc1)C(=O)O to produce N[C@@H](CS(=O)(=O)c1ccc(Sc2ccccc2)cc1)C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.