Using COC(=O)c1ccc2c(SC)cn(-c3ncc(Br)cn3)c2c1, OB(O)c1ccccc1F to produce COC(=O)c1ccc2c(SC)cn(-c3ncc(-c4ccccc4F)cn3)c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.