Using O=C1CCC(=O)N1Br, CC(=O)N(C(C)=O)c1cc(C)c(Cl)cc1F to produce CC(=O)N(C(C)=O)c1cc(CBr)c(Cl)cc1F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.