Using CCOC(=O)c1cccc(-c2ccccc2-c2cc(Cl)ccc2OCCC(C)C)c1 to produce CC(C)CCOc1ccc(Cl)cc1-c1ccccc1-c1cccc(C(=O)O)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.