Using O=S(=O)(OCC(F)(F)F)C(F)(F)F, Oc1ccnc2c(-c3ccc(Cl)cc3)c(-c3ccccc3Cl)nn12 to produce FC(F)(F)COc1ccnc2c(-c3ccc(Cl)cc3)c(-c3ccccc3Cl)nn12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.