Using CCN(CC)C(=O)c1nc(CCl)n(-c2ccc(Cl)cc2C(=O)c2ccccc2)n1, N to produce CCN(CC)C(=O)c1nc2n(n1)-c1ccc(Cl)cc1C(c1ccccc1)=NC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.