Using CC(=O)Nc1nc(C=O)cs1, O=[N+]([O-])c1ccc(CBr)cc1 to produce CC(=O)Nc1nc(/C=C\c2ccc([N+](=O)[O-])cc2)cs1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.