Using COc1cc2ncnc(N3CCc4ccc([N+](=O)[O-])cc43)c2cc1OC to produce COc1cc2ncnc(N3CCc4ccc(N)cc43)c2cc1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.