Using COc1cc(Br)ccc1C1NC(=O)N(c2cccc(C(F)(F)F)c2)C2=C1C(=O)CCC2, N#C[Cu] to produce COc1cc(C#N)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.