Using OC1CCCC1, O=C1NC(=O)c2c1cccc2[N+](=O)[O-] to produce O=C1c2cccc([N+](=O)[O-])c2C(=O)N1C1CCCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.