Using FC(F)(F)c1cncc(Br)c1, O=C1CCN(C(=O)OCc2ccccc2)CC1 to produce O=C(OCc1ccccc1)N1CCC(O)(c2cncc(C(F)(F)F)c2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.