Using O=C1CCC(=O)N1Br, OCc1ccc(-c2ccc(OC(F)(F)F)c(F)c2)cn1 to produce Fc1cc(-c2ccc(CBr)nc2)ccc1OC(F)(F)F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.