Using C=CCBr, CC1C(c2cc(F)cc(F)c2F)CCC(=O)N1CC(F)(F)F to produce C=CCC1CC(c2cc(F)cc(F)c2F)C(C)N(CC(F)(F)F)C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.