Using CCOC(=O)c1nc2ccc([N+](=O)[O-])cc2c(O)c1C(=O)OCC to produce CCOC(=O)c1nc2ccc(N)cc2c(O)c1C(=O)OCC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.