Using O=S(=O)(OCC(F)(F)F)C(F)(F)F, O=C1Nc2cnc(Cl)nc2N(C2CCCC2)CC1(F)F to produce O=C1N(CC(F)(F)F)c2cnc(Cl)nc2N(C2CCCC2)CC1(F)F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.