Using Cc1ncn(-c2ccc([N+](=O)[O-])cc2OCC(O)CCN2C(=O)c3ccccc3C2=O)n1 to produce Cc1ncn(-c2ccc([N+](=O)[O-])cc2OCC(O)CCN)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.