Using O=C(c1ccc(Oc2ccc(Cl)cc2Cl)cc1)C(F)n1cncn1 to produce OC(c1ccc(Oc2ccc(Cl)cc2Cl)cc1)C(F)n1cncn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.