Using Oc1ncc(Br)c2sc3cc(C(F)(F)F)ccc3c12, N#C[Cu] to produce N#Cc1cnc(O)c2c1sc1cc(C(F)(F)F)ccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.