Using CC(C)(C)OC(=O)N1CCN(c2ncc(Br)cn2)CC1, Oc1ccccc1F to produce CC(C)(C)OC(=O)N1CCN(c2ncc(Oc3ccccc3F)cn2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.