Using Cn1cc([N+](=O)[O-])cc([N+](=O)[O-])c1=O, CC1(C)CCCC1=O to produce CC1(C)CCc2cc([N+](=O)[O-])cnc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.