Using OB(O)c1cccc(OC(F)(F)F)c1, COC(=O)c1c(C(C)C)nc2ccc(Cl)cc2c1Br to produce COC(=O)c1c(C(C)C)nc2ccc(Cl)cc2c1-c1cccc(OC(F)(F)F)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.