Using C[C@@H](N[S@](=O)C(C)(C)C)c1ccc(NS(C)(=O)=O)c(CO)c1 to produce C[C@@H](N)c1ccc(NS(C)(=O)=O)c(CO)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.