Using O=C(O)c1cc(-c2ccc(Cl)cc2)c(-c2ccc(Cl)cc2Cl)nc1Oc1ccc(F)c(F)c1, ClCCl to produce O=C(Cl)c1cc(-c2ccc(Cl)cc2)c(-c2ccc(Cl)cc2Cl)nc1Oc1ccc(F)c(F)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.