Using CC(C)(C)OC(=O)N1CCN(C(=O)CCc2ccc([N+](=O)[O-])cc2)CC1 to produce CC(C)(C)OC(=O)N1CCN(CCCc2ccc([N+](=O)[O-])cc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.