Using CC(=O)Oc1cc(C=Cc2ccc(OC(=O)CCl)cc2)cc(OC(C)=O)c1 to produce CC(=O)Oc1cc(C=Cc2ccc(O)cc2)cc(OC(C)=O)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.