Using COc1nc(/C(=C/CO)c2ccc(C(C)(C)C)cc2)ccc1Cl, CC(=O)OI1(OC(C)=O)(OC(C)=O)OC(=O)c2ccccc21 to produce COc1nc(/C(=C/C(=O)O)c2ccc(C(C)(C)C)cc2)ccc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.