Using O=C1CCC(=O)N1Br, C#Cc1cn(-c2c(Cl)cc(C(F)(F)F)cc2Cl)nc1C(F)(F)F to produce FC(F)(F)c1cc(Cl)c(-n2cc(C#CBr)c(C(F)(F)F)n2)c(Cl)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.