Using CC(=N)Nc1cc(-c2ccccc2Cl)n[nH]1, O=C(n1ccnc1)n1ccnc1 to produce Cc1nc2cc(-c3ccccc3Cl)nn2c(=O)[nH]1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.