Using O=C(O)c1cc(F)c(F)cc1Br, Nc1ccc(-c2ccc(Cl)cc2Cl)cc1 to produce O=C(Nc1ccc(-c2ccc(Cl)cc2Cl)cc1)c1cc(F)c(F)cc1Br, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.