Using COS(=O)(=O)OC, CCOC(=O)Cc1c(C(=O)OCC)c(O)c(C(=O)c2ccc(Cl)cc2)n1C to produce CCOC(=O)Cc1c(C(=O)OCC)c(OC)c(C(=O)c2ccc(Cl)cc2)n1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.