Using O=C1CCC(=O)N1Br, C#Cc1cn(-c2c(Cl)cc(C(F)(F)F)cc2Cl)nc1C to produce Cc1nn(-c2c(Cl)cc(C(F)(F)F)cc2Cl)cc1C#CBr, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.