Using Cn1nnc(-c2c(F)cccc2-c2cnc(C#N)c(Cl)c2)n1 to produce Cn1nnc(-c2c(F)cccc2-c2cnc(CN)c(Cl)c2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.