Using C#CCN, Fc1cccc(F)c1C1=NCc2nnc(CCl)n2-c2ccc(Cl)cc21 to produce C#CCNCc1nnc2n1-c1ccc(Cl)cc1C(c1c(F)cccc1F)=NC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.