Using COCCOc1cc2nccc(Cl)c2cc1C#N, Nc1ccc(Cl)cc1F to produce COCCOc1cc2nccc(Nc3ccc(Cl)cc3F)c2cc1C#N, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.