Using O=Cc1cc(F)ccc1F, CC(C(=O)O)c1cncc(Br)c1 to produce CC(C(=O)O)(c1cncc(Br)c1)C(O)c1cc(F)ccc1F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.