Using CCN(CC)S(F)(F)F, CC(C)(C)OC(=O)N1Cc2c(Br)cccc2C(O)C1 to produce CC(C)(C)OC(=O)N1Cc2c(Br)cccc2C(F)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.