Using OB(O)Oc1cccc(F)c1, CC(C)(C)OC(=O)C(C)(C)Sc1nc(CCOc2ccc(Br)cc2)cs1 to produce CC(C)(C)OC(=O)C(C)(C)Sc1nc(CCOc2ccc(-c3cccc(F)c3)cc2)cs1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.