Using BrCc1ccc(Br)cc1, FC(F)(F)c1ccc(Nn2cnnc2)cc1 to produce FC(F)(F)c1ccc(N(Cc2ccc(Br)cc2)n2cnnc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.