Using O=C1CCC(=O)N1Br, Cc1ccc(Cl)c(Oc2ccc(C#N)cc2F)c1F to produce N#Cc1ccc(Oc2c(Cl)ccc(CBr)c2F)c(F)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.