Using NC(=O)N1c2ccccc2CC(=O)c2ccccc21, NNc1ccccc1 to produce NC(=O)N1c2ccccc2CC(=NNc2ccccc2)c2ccccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.