Using CCOC(=O)C1CCNC(=O)CC1, FC(F)(F)c1ccc(CBr)c(C(F)(F)F)c1 to produce CCOC(=O)C1CCC(=O)N(Cc2ccc(C(F)(F)F)cc2C(F)(F)F)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.