Using COC(=O)c1cc(Cl)ccc1NC(=O)c1cc(OC)c(OC)c(OC)c1 to produce COc1cc(C(=O)Nc2ccc(Cl)cc2C(=O)O)cc(OC)c1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.