Using COC(=O)c1cc(-c2ccnn2C)c(Cl)s1, F[B-](F)(F)F to produce COC(=O)c1cc(-c2c(F)cnn2C)c(Cl)s1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.