Using CCOC(=O)CC(=O)c1ccc(F)nc1, FC(F)C(F)(F)Oc1cccc(CBr)c1 to produce CCOC(=O)C(Cc1cccc(OC(F)(F)C(F)F)c1)C(=O)c1ccc(F)nc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.