Using COC(=O)Cc1ccc(OC/C=C(\C)c2ccc(Oc3ccccc3)cc2)cc1 to produce C/C(=C\COc1ccc(CC(=O)O)cc1)c1ccc(Oc2ccccc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.