Using CCOC(=O)COc1cc(OC)c2c(c1Cl)OC1(CCCCC1)CC2=O to produce CCOC(=O)COc1cc(O)c2c(c1Cl)OC1(CCCCC1)CC2=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.