Using O=C1CCC(=O)N1Br, Cc1ccc2nc(-c3ccc(-c4ccccc4)c(C(F)(F)F)c3)sc2c1 to produce FC(F)(F)c1cc(-c2nc3ccc(CBr)cc3s2)ccc1-c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.