Using COc1ccc2c(Oc3ccc(OCCN4CCCCC4)cc3)c(-c3cc(F)cc(F)c3)ccc2c1 to produce Oc1ccc2c(Oc3ccc(OCCN4CCCCC4)cc3)c(-c3cc(F)cc(F)c3)ccc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.