Using COc1ccc2c(Oc3ccc(OCCN4CCCCC4)cc3)c(OS(=O)(=O)C(F)(F)F)ccc2c1 to produce O=S(=O)(Oc1ccc2cc(O)ccc2c1Oc1ccc(OCCN2CCCCC2)cc1)C(F)(F)F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.