Using CCCC1=C(C(=O)OCC)C(c2ccccc2[N+](=O)[O-])c2c[nH]nc2N1 to produce CCCC1=C(C(=O)OCC)C(c2ccccc2N)c2c[nH]nc2N1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.