Using CCOC(=O)COc1cc(Cl)c2c(=O)c(-c3ccccc3O)coc2c1 to produce O=C(O)COc1cc(Cl)c2c(=O)c(-c3ccccc3O)coc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.