Using Nc1ccc([O-])c([N+](=O)[O-])c1, Clc1ncc(Br)cn1 to produce Nc1ccc(-c2ncc(Br)cn2)c([N+](=O)[O-])c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.