Using O=C(S)c1ccccc1, CS(=O)(=O)O[C@@H]1C[C@@H](CSCC(N)=O)N(C(=O)OCc2ccc([N+](=O)[O-])cc2)C1 to produce NC(=O)CSC[C@@H]1C[C@H](SC(=O)c2ccccc2)CN1C(=O)OCc1ccc([N+](=O)[O-])cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.