Using CC1(C)CC(C)(C)CC(O)(c2ccccc2N2CCN(CC3CC3)CC2)C1 to produce CC1(C)C=C(c2ccccc2N2CCN(CC3CC3)CC2)CC(C)(C)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.