Using ClCCl, O=C1c2c(I)cc(OC(F)F)cc2CN1Cc1ccc(OC(F)(F)F)cc1 to produce O=C1c2c(Cl)cc(OC(F)F)cc2CN1Cc1ccc(OC(F)(F)F)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.