Using COc1ccc2c(O)cc(=O)oc2c1OC1CCCC1, ClC(Cl)(Cl)Cl to produce COc1ccc2c(Cl)cc(=O)oc2c1OC1CCCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.