Using CCOc1cc(Cc2cnc(N)nc2N)cc(OCOC)c1-c1ccc(CN2CCOCC2)c(F)c1 to produce CCOc1cc(Cc2cnc(N)nc2N)cc(O)c1-c1ccc(CN2CCOCC2)c(F)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.