Using O=C([O-])O, CCOC(=O)c1cc2c([N+](=O)[O-])cccc2[nH]1 to produce CCOC(=O)c1cc2c([N+](=O)[O-])cccc2n1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.