Using CCN(C(=O)OC(C)(C)C)C1CCNCC1, OC(c1ccc(CBr)cc1)(C(F)(F)F)C(F)(F)F to produce CCOC(=O)NC1CCN(Cc2ccc(C(O)(C(F)(F)F)C(F)(F)F)cc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.