Using CCCCCN1CCN(c2cc(OC)ccc2C2=CCC(C)(C)CC2)CC1 to produce CCCCCN1CCN(c2cc(OC)ccc2C2CCC(C)(C)CC2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.