Using O=C1CCCC(c2ccc(OCCCOc3c(Cl)cc(OCC=C(Cl)Cl)cc3Cl)cc2)C1, CON to produce CON=C1CCCC(c2ccc(OCCCOc3c(Cl)cc(OCC=C(Cl)Cl)cc3Cl)cc2)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.