Using Fc1cccc(Nc2cc(-c3ccnc(Cl)n3)ccn2)c1, COC(C)CN to produce COC(C)CNc1nccc(-c2ccnc(Nc3cccc(F)c3)c2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.