Using CCc1cc(O)cc(CC)c1OCCCCOCC=C(Cl)Cl, ClCC=C(Cl)Cl to produce CCc1cc(OCC=C(Cl)Cl)cc(CC)c1OCCCCOCC=C(Cl)Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.