Using CC(C)(C)OC(=O)n1nc(CBr)c2cc(Br)cnc21, O=C1CC(C=C(F)F)CN1 to produce O=C1CC(C=C(F)F)CN1Cc1n[nH]c2ncc(Br)cc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.