Using O=C1NCCc2c(Cl)cc(O)c(Cl)c21, CS(=O)(=O)O[C@@H]1CO[C@@H](COC(=O)c2ccc([N+](=O)[O-])cc2)C1 to produce O=C(OC[C@H]1C[C@@H](Oc2cc(Cl)c3c(c2Cl)C(=O)NCC3)CO1)c1ccc([N+](=O)[O-])cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.