Using CCOC(=O)CN1CCC2(C=C(c3ccc(C)cc3)c3ccccc3O2)CC1 to produce CCOC(=O)CN1CCC2(CC1)CC(c1ccc(C)cc1)c1ccccc1O2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.