Using O=[N+]([O-])c1ccc(Oc2ccc(O)cc2)c([N+](=O)[O-])c1, C[C@H](O)C(=O)OC(C)(C)C to produce C[C@@H](Oc1ccc(Oc2ccc([N+](=O)[O-])cc2[N+](=O)[O-])cc1)C(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.