Using CC(=O)Nc1nnc(C=Cc2ccc([N+](=O)[O-])cc2)s1 to produce Nc1nnc(C=Cc2ccc([N+](=O)[O-])cc2)s1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.