Using O=C(C=Cc1ccc(F)cc1F)C(F)(F)C(F)(F)F, NNc1cccc(Br)c1 to produce Fc1ccc(C2CC(C(F)(F)C(F)(F)F)=NN2c2cccc(Br)c2)c(F)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.