Using Fc1ccc(CBr)cc1, O=C(N1CCc2c(F)cc(Cl)c(O)c2CC1)C(F)(F)F to produce O=C(N1CCc2c(F)cc(Cl)c(OCc3ccc(F)cc3)c2CC1)C(F)(F)F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.