Using CC(C)(C)OC(=O)N1CCC2(CC1)CO2, O=[N+]([O-])c1c[nH]c([N+](=O)[O-])n1 to produce CC(C)(C)OC(=O)N1CCC2(CC1)Cn1cc([N+](=O)[O-])nc1O2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.