Using Nc1ccc(F)cc1OC1CCOCC1, COC(=O)c1cc2c(Cl)ncnc2s1 to produce COC(=O)c1cc2c(Nc3ccc(F)cc3OC3CCOCC3)ncnc2s1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.