Using CC1(C)COC2(OC1)C(=O)Nc1ccc([N+](=O)[O-])cc12, COC(=O)CBr to produce COC(=O)CN1C(=O)C2(OCC(C)(C)CO2)c2cc([N+](=O)[O-])ccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.