Using CCOC(=O)c1cn[nH]c1[N+](=O)[O-], BrCc1ccccc1 to produce CCOC(=O)c1cn(Cc2ccccc2)nc1[N+](=O)[O-], please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.