Using O=S(=O)(Cl)C(F)(F)F, COc1ccc2c(C(=O)c3ccc(OCCN4CCCCC4)cc3)c(O)ccc2c1 to produce COc1ccc2c(C(=O)c3ccc(OCCN4CCCCC4)cc3)c(OS(=O)(=O)C(F)(F)F)ccc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.