Using FC(F)(F)CCBr, N#CC(C#N)Cc1c(Cl)cc(C(F)(F)F)cc1Cl to produce N#CC(C#N)(CCC(F)(F)F)Cc1c(Cl)cc(C(F)(F)F)cc1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.