Using Cc1cc2c(Cl)nccc2cc1N, N=C(c1ccccc1)c1ccccc1 to produce Cc1cc2c(Cl)nccc2cc1N=C(c1ccccc1)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.