Using COC(=O)c1c(C)cccc1[N+](=O)[O-], NC(=O)CCC(=O)NBr to produce COC(=O)c1c(CBr)cccc1[N+](=O)[O-], please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.