Using CCOC(=O)C(C)c1ccc(CC(CC)(C(=O)OCC)C(=O)OCC)cc1 to produce CCC(Cc1ccc(C(C)C(=O)O)cc1)C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.