Using CCCCCCN1CCC(C)(c2cccc(N=C(c3ccccc3)c3ccccc3)c2)CC1 to produce CCCCCCN1CCC(C)(c2cccc(N)c2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.