Using CN(C)C=O, Fc1ccc(Cl)c(Oc2cc(Cl)cc(Br)c2)c1 to produce O=Cc1c(F)ccc(Cl)c1Oc1cc(Cl)cc(Br)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.