Using CCCOC(=O)c1cn(C(C)(C)C)c2ncc([N+](=O)[O-])cc12 to produce CC(C)(C)n1cc(C(=O)O)c2cc([N+](=O)[O-])cnc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.