Using O=C(NCc1ccc(Cl)cc1)c1cnc2c(F)c(F)c(F)cc2c1O, OC1CCOCC1 to produce O=C(NCc1ccc(Cl)cc1)c1cnc2c(OC3CCOCC3)c(F)c(F)cc2c1O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.