Using COC(=O)c1cccc2c(Br)c(OC)ccc12, O=C([O-])C(F)(F)F to produce COC(=O)c1cccc2c(C(F)(F)F)c(OC)ccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.