Using CCc1nn2ccccc2c1N(CC1CC1)C(=O)OC(C)(C)C, FC(F)(Br)C(F)(F)Br to produce CCc1nn2c(Br)cccc2c1N(CC1CC1)C(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.