Using CC(C)=Cc1ccc(C(C)C(=O)[O-])cc1, CC(C)(C)C(=O)OCCl to produce CC(C)=Cc1ccc(C(C)C(=O)OCOC(=O)C(C)(C)C)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.