Using COC(=O)C1(NC(=O)Cc2cc(Br)ccc2C)CCC(OC)(C(F)(F)F)CC1 to produce COC1(C(F)(F)F)CCC2(CC1)NC(=O)C(c1cc(Br)ccc1C)=C2O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.