Using CCOC(=O)c1c(C)n(C)n(-c2ccc(F)cc2)c1=O, O=C1CCC(=O)N1Br to produce CCOC(=O)c1c(CBr)n(C)n(-c2ccc(F)cc2)c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.