Using CC(C)(C)OC(=O)N1CCNCC1, Fc1cc(Br)cnc1Cl to produce CC(C)(C)OC(=O)N1CCN(c2ncc(Br)cc2F)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.