Using CCc1cc(C(=O)c2c(Cc3ccccc3)oc(C)c2C)cc(CC)c1OC to produce CCc1cc(C(=O)c2c(Cc3ccccc3)oc(C)c2C)cc(CC)c1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.