Using CCOC(=O)c1cc2c(C(O)Cc3c(Cl)cncc3Cl)ccc(OC)c2o1 to produce COc1ccc(C(=O)Cc2c(Cl)cncc2Cl)c2cc(C(=O)O)oc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.