Using CCc1cc2c(cc1O)OC(C(F)(F)F)C(C(=O)O)=C2, CCBr to produce CCOC(=O)C1=Cc2cc(CC)c(O)cc2OC1C(F)(F)F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.