Using O=[N+]([O-])O, CN1CCC2(CC1)CC(=O)c1ccccc1O2 to produce CN1CCC2(CC1)CC(=O)c1cc([N+](=O)[O-])ccc1O2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.