Using COC(=O)C1CNCCN1, OC(c1ccc(CBr)cc1)(C(F)(F)F)C(F)(F)F to produce COC(=O)C1CN(Cc2ccc(C(O)(C(F)(F)F)C(F)(F)F)cc2)CCN1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.