Using COC(=O)[C@H]1O[C@H](O)[C@H](OC(C)=O)[C@@H](OC(C)=O)[C@@H]1OC(C)=O, CN(C(=O)OC(C)(C)C)c1cc([N+](=O)[O-])ccc1O to produce COC(=O)[C@H]1O[C@](O)(c2ccc([N+](=O)[O-])cc2N(C)C(=O)OC(C)(C)C)[C@H](OC(C)=O)[C@@H](OC(C)=O)[C@@H]1OC(C)=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.