Using CCOC(=O)c1cc(=O)c2c(OC)cc3c(Cl)cc(C(=O)OC)nc3c2o1 to produce COc1cc2c(Cl)cc(C(=O)O)nc2c2oc(C(=O)O)cc(=O)c12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.