Using CCCc1cc(-c2cccc(C(F)(F)F)c2)nc(Cl)n1, N#C[Cu] to produce CCCc1cc(-c2cccc(C(F)(F)F)c2)nc(C#N)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.