Using O=C(Nc1ccc(C(F)(F)F)cc1)Nc1nc(Cl)cc(Cl)n1, OCC(F)(F)F to produce O=C(Nc1ccc(C(F)(F)F)cc1)Nc1nc(OCC(F)(F)F)cc(OCC(F)(F)F)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.