Using CCOC(=O)c1cnn(C(=N)Nc2c(Br)cc(F)cc2Br)c1 to produce CCOC(=O)c1cnn(-c2nc3c(Br)cc(F)cc3[nH]2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.