Using COC[C@@H]1CCCN1N, O=C1CCCCC1c1cnc2ccccc2c1 to produce COC[C@@H]1CCCN1N=C1CCCCC1c1cnc2ccccc2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.