Using O=S(=O)(OCC(F)(F)F)C(F)(F)F, Oc1ccc(C(F)(F)C2(c3ccc(F)cc3F)CO2)nc1 to produce Fc1ccc(C2(C(F)(F)c3ccc(OCC(F)(F)F)cn3)CO2)c(F)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.