Using CC(C)N1CCC(NS(=O)(=O)C[C@H](COCc2ccccc2)NC(=O)OCc2ccccc2)CC1 to produce CC(C)N1CCC(NS(=O)(=O)C[C@@H](N)CO)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.