Using O=C([O-])[O-], CC1(C)CCC(=O)Nc2ccc([N+](=O)[O-])cc21 to produce CN1C(=O)CCC(C)(C)c2cc([N+](=O)[O-])ccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.