Using CCOC(=O)C(C(=O)OCC)c1ncc(Br)cc1[N+](=O)[O-], Fc1ccccc1 to produce BrC1=CNC2=CCN(Oc3ccccc3)C2=C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.