Using CCOC(=O)c1cnc(-c2cc([N+](=O)[O-])ccc2OCC)[nH]c1=O to produce CCOC(=O)c1cnc(-c2cc(N)ccc2OCC)[nH]c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.