Using CN(C)C=O, CC(C)(C)C(=O)Oc1c(F)cc(Br)cc1F to produce CC(C)(C)C(=O)Oc1c(F)cc(Br)c(C=O)c1F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.