Using CI, C=CCc1c(OCc2ccccc2)cc(O)c2c(=O)c3cccc(OCc4ccccc4)c3oc12 to produce C=CCc1c(OCc2ccccc2)cc(OC)c2c(=O)c3cccc(OCc4ccccc4)c3oc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.