Using CCC1CC2CC(OCc3ccccc3)=C(OC)C=C2CN1Cc1cc(OC)c(OC)c(OC)c1 to produce CCC1CC2CC(O)=C(OC)C=C2CN1Cc1cc(OC)c(OC)c(OC)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.