Using CCOC1=C(C(NC(=O)Nc2cccc(C(F)(F)F)c2)c2ccc(Br)cc2OC)C(=O)CCC1 to produce COc1cc(Br)ccc1C1NC(=O)N(c2cccc(C(F)(F)F)c2)C2=C1C(=O)CCC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.