Using COC(=O)c1cccc(OC[C@@H]2COC(C)(C)O2)c1[N+](=O)[O-] to produce CC1(C)OC[C@@H](COc2cccc(C(=O)O)c2[N+](=O)[O-])O1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.