Using CN1CCN(C[C@@H]2C[C@@H](OS(C)(=O)=O)CN2C(=O)OCc2ccc([N+](=O)[O-])cc2)C1=O, CC(=O)S to produce CC(=O)S[C@H]1C[C@@H](CN2CCN(C)C2=O)N(C(=O)OCc2ccc([N+](=O)[O-])cc2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.