Using CCOC(=O)Cc1c([N+](=O)[O-])ccc2c1cnn2C1CCCCO1 to produce O=C(O)Cc1c([N+](=O)[O-])ccc2c1cnn2C1CCCCO1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.