Using FC(F)(F)c1nnc2ccc(Br)cn12, OB(O)c1ccc(C2CC2)cc1 to produce FC(F)(F)c1nnc2ccc(-c3ccc(C4CC4)cc3)cn12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.