Using O=C(O)c1ccc(Br)cc1F, O=C(OCc1ccccc1)N1CCNCC1 to produce O=C(O)c1ccc(Br)cc1N1CCN(C(=O)OCc2ccccc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.