Using O=N[O-], CN1CCC(C(=O)c2cc([N+](=O)[O-])ccc2N)CC1 to produce CN1CCC(c2n[nH]c3ccc([N+](=O)[O-])cc23)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.