Using CC1=CC(Br)=CC([N+](=O)[O-])C1(NC=O)C(=O)O to produce CC1=CC(Br)=CC([N+](=O)[O-])C1(N)C(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.