Using O=CCC1CCC(c2ccc(-c3cnc(Nc4cccc(Cl)c4)o3)cc2)CC1, O to produce O=C(/C=C/CC1CCC(c2ccc(-c3cnc(Nc4cccc(Cl)c4)o3)cc2)CC1)OCc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.