Using CCOC(=O)C(C)C(=O)OCC, CCC(Cl)C(=O)c1ccc2c(c1)oc(=O)n2Cc1ccccc1 to produce CCOC(=O)C(C)(C(=O)OCC)C(CC)C(=O)c1ccc2c(c1)oc(=O)n2Cc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.